13046627421 has 8 divisors (see below), whose sum is σ = 19328336960. Its totient is φ = 8697751596.

The previous prime is 13046627383. The next prime is 13046627437. The reversal of 13046627421 is 12472664031.

13046627421 is a `hidden beast` number, since 1 + 3 + 0 + 4 + 6 + 627 + 4 + 21 = 666.

It is not a de Polignac number, because 13046627421 - 2²³ = 13038238813 is a prime.

It is a super-2 number, since 2×13046627421² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13046627471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241604185 + ... + 241604238.

It is an arithmetic number, because the mean of its divisors is an integer number (2416042120).

Almost surely, 2^13046627421 is an apocalyptic number.

It is an amenable number.

13046627421 is a deficient number, since it is larger than the sum of its proper divisors (6281709539).

13046627421 is an equidigital number, since it uses as much as digits as its factorization.

13046627421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483208432 (or 483208426 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 13046627421 in words is "thirteen billion, forty-six million, six hundred twenty-seven thousand, four hundred twenty-one".