3345640147 has 4 divisors (see below), whose sum is σ = 3370061016. Its totient is φ = 3321219280.

The previous prime is 3345640117. The next prime is 3345640153. The reversal of 3345640147 is 7410465433.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7410465433 = 7 ⋅1058637919.

It is a cyclic number.

It is not a de Polignac number, because 3345640147 - 2³¹ = 1198156499 is a prime.

It is a super-2 number, since 2×3345640147² = 22386615986436363218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3345640117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12210229 + ... + 12210502.

It is an arithmetic number, because the mean of its divisors is an integer number (842515254).

Almost surely, 2^3345640147 is an apocalyptic number.

3345640147 is a deficient number, since it is larger than the sum of its proper divisors (24420869).

3345640147 is a wasteful number, since it uses less digits than its factorization.

3345640147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24420868.

The product of its (nonzero) digits is 120960, while the sum is 37.

The square root of 3345640147 is about 57841.5088582585. The cubic root of 3345640147 is about 1495.6377181107.

The spelling of 3345640147 in words is "three billion, three hundred forty-five million, six hundred forty thousand, one hundred forty-seven".