745615622397 has 16 divisors (see below), whose sum is σ = 1039054210560. Its totient is φ = 474696889392.

The previous prime is 745615622383. The next prime is 745615622407. The reversal of 745615622397 is 793226516547.

It is not a de Polignac number, because 745615622397 - 2¹¹ = 745615620349 is a prime.

It is a super-4 number, since 4×745615622397⁴ (a number of 49 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745615622897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8685903 + ... + 8771324.

It is an arithmetic number, because the mean of its divisors is an integer number (64940888160).

Almost surely, 2^745615622397 is an apocalyptic number.

It is an amenable number.

745615622397 is a deficient number, since it is larger than the sum of its proper divisors (293438588163).

745615622397 is a wasteful number, since it uses less digits than its factorization.

745615622397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17457872.

The product of its digits is 19051200, while the sum is 57.

The spelling of 745615622397 in words is "seven hundred forty-five billion, six hundred fifteen million, six hundred twenty-two thousand, three hundred ninety-seven".