749897189020 has 48 divisors (see below), whose sum is σ = 1805190686208. Its totient is φ = 256330831680.

The previous prime is 749897188991. The next prime is 749897189021. The reversal of 749897189020 is 20981798947.

It is a happy number.

749897189020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749897189021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8044912 + ... + 8137591.

It is an arithmetic number, because the mean of its divisors is an integer number (37608139296).

Almost surely, 2^749897189020 is an apocalyptic number.

749897189020 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

749897189020 is an abundant number, since it is smaller than the sum of its proper divisors (1055293497188).

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

749897189020 is a wasteful number, since it uses less digits than its factorization.

749897189020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16182850 (or 16182848 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 64.

The spelling of 749897189020 in words is "seven hundred forty-nine billion, eight hundred ninety-seven million, one hundred eighty-nine thousand, twenty".