3913565045 has 8 divisors (see below), whose sum is σ = 5057530296. Its totient is φ = 2890017216.

The previous prime is 3913565041. The next prime is 3913565057. The reversal of 3913565045 is 5405653193.

It can be written as a sum of positive squares in 4 ways, for example, as 117896164 + 3795668881 = 10858^2 + 61609^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3913565045 - 2² = 3913565041 is a prime.

It is a super-2 number, since 2×3913565045² = 30631982722891704050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3913564993 and 3913565011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3913565041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30104282 + ... + 30104411.

It is an arithmetic number, because the mean of its divisors is an integer number (632191287).

Almost surely, 2^3913565045 is an apocalyptic number.

It is an amenable number.

3913565045 is a deficient number, since it is larger than the sum of its proper divisors (1143965251).

3913565045 is a wasteful number, since it uses less digits than its factorization.

3913565045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60208711.

The product of its (nonzero) digits is 243000, while the sum is 41.

The square root of 3913565045 is about 62558.4929885623. The cubic root of 3913565045 is about 1575.8837797960.

The spelling of 3913565045 in words is "three billion, nine hundred thirteen million, five hundred sixty-five thousand, forty-five".