3945757923025 has 12 divisors (see below), whose sum is σ = 4895935652464. Its totient is φ = 3154544514000.

The previous prime is 3945757923001. The next prime is 3945757923031. The reversal of 3945757923025 is 5203297575493.

It is not a de Polignac number, because 3945757923025 - 2¹⁵ = 3945757890257 is a prime.

It is a super-3 number, since 3×3945757923025³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51506571 + ... + 51583120.

Almost surely, 2^{3945757923025} is an apocalyptic number.

It is an amenable number.

3945757923025 is a deficient number, since it is larger than the sum of its proper divisors (950177729439).

3945757923025 is a wasteful number, since it uses less digits than its factorization.

3945757923025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103091232 (or 103091227 counting only the distinct ones).

The product of its (nonzero) digits is 71442000, while the sum is 61.

The spelling of 3945757923025 in words is "three trillion, nine hundred forty-five billion, seven hundred fifty-seven million, nine hundred twenty-three thousand, twenty-five".