3915254062945 has 32 divisors (see below), whose sum is σ = 4916846499840. Its totient is φ = 2990595990720.

The previous prime is 3915254062903. The next prime is 3915254062961. The reversal of 3915254062945 is 5492604525193.

It is not a de Polignac number, because 3915254062945 - 2³¹ = 3913106579297 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 738514 + ... + 2894116.

It is an arithmetic number, because the mean of its divisors is an integer number (153651453120).

Almost surely, 2^{3915254062945} is an apocalyptic number.

It is an amenable number.

3915254062945 is a deficient number, since it is larger than the sum of its proper divisors (1001592436895).

3915254062945 is a wasteful number, since it uses less digits than its factorization.

3915254062945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2155845.

The product of its (nonzero) digits is 11664000, while the sum is 55.

The spelling of 3915254062945 in words is "three trillion, nine hundred fifteen billion, two hundred fifty-four million, sixty-two thousand, nine hundred forty-five".