13420530651 has 32 divisors (see below), whose sum is σ = 20237817600. Its totient is φ = 7836106880.

The previous prime is 13420530589. The next prime is 13420530671. The reversal of 13420530651 is 15603502431.

It is a cyclic number.

It is not a de Polignac number, because 13420530651 - 2⁶ = 13420530587 is a prime.

It is a super-2 number, since 2×13420530651² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13420530671) 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, 431905 + ... + 461933.

It is an arithmetic number, because the mean of its divisors is an integer number (632431800).

Almost surely, 2^13420530651 is an apocalyptic number.

13420530651 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13420530651 is a deficient number, since it is larger than the sum of its proper divisors (6817286949).

13420530651 is a wasteful number, since it uses less digits than its factorization.

13420530651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30539.

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 13420530651 in words is "thirteen billion, four hundred twenty million, five hundred thirty thousand, six hundred fifty-one".