3915007497 has 6 divisors (see below), whose sum is σ = 5655010842. Its totient is φ = 2610004992.

The previous prime is 3915007493. The next prime is 3915007501. The reversal of 3915007497 is 7947005193.

3915007497 is a `hidden beast` number, since 3 + 9 + 150 + 0 + 7 + 497 = 666.

It is an interprime number because it is at equal distance from previous prime (3915007493) and next prime (3915007501).

It can be written as a sum of positive squares in only one way, i.e., 3219314121 + 695693376 = 56739^2 + 26376^2 .

It is not a de Polignac number, because 3915007497 - 2² = 3915007493 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3915007493) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 217500408 + ... + 217500425.

It is an arithmetic number, because the mean of its divisors is an integer number (942501807).

Almost surely, 2^3915007497 is an apocalyptic number.

It is an amenable number.

3915007497 is a deficient number, since it is larger than the sum of its proper divisors (1740003345).

3915007497 is a wasteful number, since it uses less digits than its factorization.

3915007497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435000839 (or 435000836 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The square root of 3915007497 is about 62570.0207527535. The cubic root of 3915007497 is about 1576.0773677791.

The spelling of 3915007497 in words is "three billion, nine hundred fifteen million, seven thousand, four hundred ninety-seven".