745227498291 has 12 divisors (see below), whose sum is σ = 1007434605528. Its totient is φ = 490012591104.

The previous prime is 745227498259. The next prime is 745227498319. The reversal of 745227498291 is 192894722547.

It is not a de Polignac number, because 745227498291 - 2⁵ = 745227498259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (745227498241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23291310 + ... + 23323283.

It is an arithmetic number, because the mean of its divisors is an integer number (83952883794).

Almost surely, 2^745227498291 is an apocalyptic number.

745227498291 is a deficient number, since it is larger than the sum of its proper divisors (262207107237).

745227498291 is an equidigital number, since it uses as much as digits as its factorization.

745227498291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46614742 (or 46614669 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 60.

The spelling of 745227498291 in words is "seven hundred forty-five billion, two hundred twenty-seven million, four hundred ninety-eight thousand, two hundred ninety-one".