13420690544 has 20 divisors (see below), whose sum is σ = 26133260400. Its totient is φ = 6676623360.

The previous prime is 13420690487. The next prime is 13420690559. The reversal of 13420690544 is 44509602431.

It is a super-2 number, since 2×13420690544² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 13420690498 and 13420690507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2104337 + ... + 2110704.

It is an arithmetic number, because the mean of its divisors is an integer number (1306663020).

Almost surely, 2^13420690544 is an apocalyptic number.

It is an amenable number.

13420690544 is a deficient number, since it is larger than the sum of its proper divisors (12712569856).

13420690544 is a wasteful number, since it uses less digits than its factorization.

13420690544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4215248 (or 4215242 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 13420690544 in words is "thirteen billion, four hundred twenty million, six hundred ninety thousand, five hundred forty-four".