13264420457 has 2 divisors, whose sum is σ = 13264420458. Its totient is φ = 13264420456.

The previous prime is 13264420453. The next prime is 13264420501. The reversal of 13264420457 is 75402446231.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8175595561 + 5088824896 = 90419^2 + 71336^2 .

It is a cyclic number.

It is not a de Polignac number, because 13264420457 - 2² = 13264420453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13264420457.

It is not a weakly prime, because it can be changed into another prime (13264420453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6632210228 + 6632210229.

It is an arithmetic number, because the mean of its divisors is an integer number (6632210229).

Almost surely, 2^13264420457 is an apocalyptic number.

It is an amenable number.

13264420457 is a deficient number, since it is larger than the sum of its proper divisors (1).

13264420457 is an equidigital number, since it uses as much as digits as its factorization.

13264420457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 38.

Adding to 13264420457 its reverse (75402446231), we get a palindrome (88666866688).

The spelling of 13264420457 in words is "thirteen billion, two hundred sixty-four million, four hundred twenty thousand, four hundred fifty-seven".