745955393922 has 162 divisors, whose sum is σ = 1732416528297. Its totient is φ = 231955961952.

The previous prime is 745955393917. The next prime is 745955393923. The reversal of 745955393922 is 229393559547.

It is a happy number.

745955393922 is a `hidden beast` number, since 7 + 4 + 5 + 9 + 5 + 539 + 3 + 92 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 707582110041 + 38373283881 = 841179^2 + 195891^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=610719.

It is a self number, because there is not a number n which added to its sum of digits gives 745955393922.

It is not an unprimeable number, because it can be changed into a prime (745955393923) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 4466798683 + ... + 4466798849.

Almost surely, 2^745955393922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 745955393922

745955393922 is an abundant number, since it is smaller than the sum of its proper divisors (986461134375).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

745955393922 is a wasteful number, since it uses less digits than its factorization.

745955393922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494 (or 248 counting only the distinct ones).

The product of its digits is 91854000, while the sum is 63.

The spelling of 745955393922 in words is "seven hundred forty-five billion, nine hundred fifty-five million, three hundred ninety-three thousand, nine hundred twenty-two".