757450377021 has 32 divisors (see below), whose sum is σ = 1114259090560. Its totient is φ = 454733201664.

The previous prime is 757450376957. The next prime is 757450377037. The reversal of 757450377021 is 120773054757.

It is not a de Polignac number, because 757450377021 - 2⁶ = 757450376957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (757450377041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1117815 + ... + 1662651.

It is an arithmetic number, because the mean of its divisors is an integer number (34820596580).

Almost surely, 2^757450377021 is an apocalyptic number.

It is an amenable number.

757450377021 is a deficient number, since it is larger than the sum of its proper divisors (356808713539).

757450377021 is a wasteful number, since it uses less digits than its factorization.

757450377021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545725.

The product of its (nonzero) digits is 1440600, while the sum is 48.

The spelling of 757450377021 in words is "seven hundred fifty-seven billion, four hundred fifty million, three hundred seventy-seven thousand, twenty-one".