421253206757324 has 48 divisors (see below), whose sum is σ = 792246420408576. Its totient is φ = 195606461952000.

The previous prime is 421253206757309. The next prime is 421253206757407. The reversal of 421253206757324 is 423757602352124.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 628543877 + ... + 629213724.

It is an arithmetic number, because the mean of its divisors is an integer number (16505133758512).

Almost surely, 2^{421253206757324} is an apocalyptic number.

It is an amenable number.

421253206757324 is a deficient number, since it is larger than the sum of its proper divisors (370993213651252).

421253206757324 is a wasteful number, since it uses less digits than its factorization.

421253206757324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257757746 (or 1257757744 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 53.

The spelling of 421253206757324 in words is "four hundred twenty-one trillion, two hundred fifty-three billion, two hundred six million, seven hundred fifty-seven thousand, three hundred twenty-four".