1264422831401 has 4 divisors (see below), whose sum is σ = 1305210664704. Its totient is φ = 1223634998100.

The previous prime is 1264422831389. The next prime is 1264422831433. The reversal of 1264422831401 is 1041382244621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1264422831401 - 2¹⁴ = 1264422815017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1264422851401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20393916605 + ... + 20393916666.

It is an arithmetic number, because the mean of its divisors is an integer number (326302666176).

Almost surely, 2^{1264422831401} is an apocalyptic number.

It is an amenable number.

1264422831401 is a deficient number, since it is larger than the sum of its proper divisors (40787833303).

1264422831401 is an equidigital number, since it uses as much as digits as its factorization.

1264422831401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40787833302.

The product of its (nonzero) digits is 73728, while the sum is 38.

The spelling of 1264422831401 in words is "one trillion, two hundred sixty-four billion, four hundred twenty-two million, eight hundred thirty-one thousand, four hundred one".