13421020607 has 2 divisors, whose sum is σ = 13421020608. Its totient is φ = 13421020606.

The previous prime is 13421020603. The next prime is 13421020643. The reversal of 13421020607 is 70602012431.

It is a weak prime.

It is an emirp because it is prime and its reverse (70602012431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13421020607 - 2² = 13421020603 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13421020601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6710510303 + 6710510304.

It is an arithmetic number, because the mean of its divisors is an integer number (6710510304).

Almost surely, 2^13421020607 is an apocalyptic number.

13421020607 is a deficient number, since it is larger than the sum of its proper divisors (1).

13421020607 is an equidigital number, since it uses as much as digits as its factorization.

13421020607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

The spelling of 13421020607 in words is "thirteen billion, four hundred twenty-one million, twenty thousand, six hundred seven".