3346749405 has 12 divisors (see below), whose sum is σ = 5801032380. Its totient is φ = 1784932992.

The previous prime is 3346749403. The next prime is 3346749463. The reversal of 3346749405 is 5049476433.

It can be written as a sum of positive squares in 2 ways, for example, as 2361668409 + 985080996 = 48597^2 + 31386^2 .

It is not a de Polignac number, because 3346749405 - 2¹ = 3346749403 is a prime.

It is a super-2 number, since 2×3346749405² = 22401463159735708050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 74372209 = 3346749405 / (3 + 3 + 4 + 6 + 7 + 4 + 9 + 4 + 0 + 5).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3346749403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37186060 + ... + 37186149.

It is an arithmetic number, because the mean of its divisors is an integer number (483419365).

Almost surely, 2^3346749405 is an apocalyptic number.

It is an amenable number.

3346749405 is a deficient number, since it is larger than the sum of its proper divisors (2454282975).

3346749405 is a wasteful number, since it uses less digits than its factorization.

3346749405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74372220 (or 74372217 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 45.

The square root of 3346749405 is about 57851.0968348916. The cubic root of 3346749405 is about 1495.8029943818.

The spelling of 3346749405 in words is "three billion, three hundred forty-six million, seven hundred forty-nine thousand, four hundred five".