3473749057 has 4 divisors (see below), whose sum is σ = 3507474880. Its totient is φ = 3440023236.

The previous prime is 3473749049. The next prime is 3473749063. The reversal of 3473749057 is 7509473743.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3473749057 - 2³ = 3473749049 is a prime.

It is a super-2 number, since 2×3473749057² = 24133865022016778498, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3473749057.

It is not an unprimeable number, because it can be changed into a prime (3473749007) 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, 16862757 + ... + 16862962.

It is an arithmetic number, because the mean of its divisors is an integer number (876868720).

Almost surely, 2^3473749057 is an apocalyptic number.

It is an amenable number.

3473749057 is a deficient number, since it is larger than the sum of its proper divisors (33725823).

3473749057 is a wasteful number, since it uses less digits than its factorization.

3473749057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33725822.

The product of its (nonzero) digits is 2222640, while the sum is 49.

The square root of 3473749057 is about 58938.5192976546. The cubic root of 3473749057 is about 1514.4890836013.

The spelling of 3473749057 in words is "three billion, four hundred seventy-three million, seven hundred forty-nine thousand, fifty-seven".