3753440656625 has 16 divisors (see below), whose sum is σ = 5110138844928. Its totient is φ = 2729775022000.

The previous prime is 3753440656607. The next prime is 3753440656663. The reversal of 3753440656625 is 5266560443573.

It is not a de Polignac number, because 3753440656625 - 2⁶ = 3753440656561 is a prime.

It is a super-2 number, since 2×3753440656625² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1364886137 + ... + 1364888886.

It is an arithmetic number, because the mean of its divisors is an integer number (319383677808).

Almost surely, 2^{3753440656625} is an apocalyptic number.

It is an amenable number.

3753440656625 is a deficient number, since it is larger than the sum of its proper divisors (1356698188303).

3753440656625 is a wasteful number, since it uses less digits than its factorization.

3753440656625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2729775049 (or 2729775039 counting only the distinct ones).

The product of its (nonzero) digits is 54432000, while the sum is 56.

The spelling of 3753440656625 in words is "three trillion, seven hundred fifty-three billion, four hundred forty million, six hundred fifty-six thousand, six hundred twenty-five".