1372435792891 has 2 divisors, whose sum is σ = 1372435792892. Its totient is φ = 1372435792890.

The previous prime is 1372435792841. The next prime is 1372435792907. The reversal of 1372435792891 is 1982975342731.

It is a strong prime.

It is an emirp because it is prime and its reverse (1982975342731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1372435792891 - 2¹⁵ = 1372435760123 is a prime.

It is a super-2 number, since 2×1372435792891² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1372435792841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686217896445 + 686217896446.

It is an arithmetic number, because the mean of its divisors is an integer number (686217896446).

Almost surely, 2^{1372435792891} is an apocalyptic number.

1372435792891 is a deficient number, since it is larger than the sum of its proper divisors (1).

1372435792891 is an equidigital number, since it uses as much as digits as its factorization.

1372435792891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22861440, while the sum is 61.

The spelling of 1372435792891 in words is "one trillion, three hundred seventy-two billion, four hundred thirty-five million, seven hundred ninety-two thousand, eight hundred ninety-one".