745389645530 has 16 divisors (see below), whose sum is σ = 1361726756640. Its totient is φ = 293705770512.

The previous prime is 745389645527. The next prime is 745389645569. The reversal of 745389645530 is 35546983547.

It is a self number, because there is not a number n which added to its sum of digits gives 745389645530.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 556260260 + ... + 556261599.

It is an arithmetic number, because the mean of its divisors is an integer number (85107922290).

Almost surely, 2^745389645530 is an apocalyptic number.

745389645530 is a deficient number, since it is larger than the sum of its proper divisors (616337111110).

745389645530 is a wasteful number, since it uses less digits than its factorization.

745389645530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112521933.

The product of its (nonzero) digits is 54432000, while the sum is 59.

The spelling of 745389645530 in words is "seven hundred forty-five billion, three hundred eighty-nine million, six hundred forty-five thousand, five hundred thirty".