3712445711645 has 32 divisors (see below), whose sum is σ = 5208290530560. Its totient is φ = 2512771683840.

The previous prime is 3712445711627. The next prime is 3712445711651. The reversal of 3712445711645 is 5461175442173.

It is not a de Polignac number, because 3712445711645 - 2⁶ = 3712445711581 is a prime.

It is a super-2 number, since 2×3712445711645² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3712445711593 and 3712445711602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39611840 + ... + 39705449.

It is an arithmetic number, because the mean of its divisors is an integer number (162759079080).

Almost surely, 2^{3712445711645} is an apocalyptic number.

It is an amenable number.

3712445711645 is a deficient number, since it is larger than the sum of its proper divisors (1495844818915).

3712445711645 is a wasteful number, since it uses less digits than its factorization.

3712445711645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79317365.

The product of its digits is 2822400, while the sum is 50.

The spelling of 3712445711645 in words is "three trillion, seven hundred twelve billion, four hundred forty-five million, seven hundred eleven thousand, six hundred forty-five".