745398684850 has 24 divisors (see below), whose sum is σ = 1388756203200. Its totient is φ = 297661699920.

The previous prime is 745398684809. The next prime is 745398684853. The reversal of 745398684850 is 58486893547.

745398684850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×745398684850² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (745398684853) 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, 12414102 + ... + 12474001.

It is an arithmetic number, because the mean of its divisors is an integer number (57864841800).

Almost surely, 2^745398684850 is an apocalyptic number.

745398684850 is a deficient number, since it is larger than the sum of its proper divisors (643357518350).

745398684850 is a wasteful number, since it uses less digits than its factorization.

745398684850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24888714 (or 24888709 counting only the distinct ones).

The product of its (nonzero) digits is 232243200, while the sum is 67.

The spelling of 745398684850 in words is "seven hundred forty-five billion, three hundred ninety-eight million, six hundred eighty-four thousand, eight hundred fifty".