421367057293 has 12 divisors (see below), whose sum is σ = 521455091808. Its totient is φ = 333389319120.

The previous prime is 421367057291. The next prime is 421367057323. The reversal of 421367057293 is 392750763124.

It is not a de Polignac number, because 421367057293 - 2¹ = 421367057291 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421367057291) 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, 178091403 + ... + 178093768.

It is an arithmetic number, because the mean of its divisors is an integer number (43454590984).

Almost surely, 2^421367057293 is an apocalyptic number.

It is an amenable number.

421367057293 is a deficient number, since it is larger than the sum of its proper divisors (100088034515).

421367057293 is a wasteful number, since it uses less digits than its factorization.

421367057293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356185204 (or 356185191 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 49.

The spelling of 421367057293 in words is "four hundred twenty-one billion, three hundred sixty-seven million, fifty-seven thousand, two hundred ninety-three".