745618926697 has 2 divisors, whose sum is σ = 745618926698. Its totient is φ = 745618926696.

The previous prime is 745618926683. The next prime is 745618926707. The reversal of 745618926697 is 796629816547.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 741891091561 + 3727835136 = 861331^2 + 61056^2 .

It is a cyclic number.

It is not a de Polignac number, because 745618926697 - 2¹¹ = 745618924649 is a prime.

It is not a weakly prime, because it can be changed into another prime (745618926617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372809463348 + 372809463349.

It is an arithmetic number, because the mean of its divisors is an integer number (372809463349).

Almost surely, 2^745618926697 is an apocalyptic number.

It is an amenable number.

745618926697 is a deficient number, since it is larger than the sum of its proper divisors (1).

745618926697 is an equidigital number, since it uses as much as digits as its factorization.

745618926697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 274337280, while the sum is 70.

The spelling of 745618926697 in words is "seven hundred forty-five billion, six hundred eighteen million, nine hundred twenty-six thousand, six hundred ninety-seven".