1372734590989 has 2 divisors, whose sum is σ = 1372734590990. Its totient is φ = 1372734590988.

The previous prime is 1372734590971. The next prime is 1372734590993. The reversal of 1372734590989 is 9890954372731.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 802936068489 + 569798522500 = 896067^2 + 754850^2 .

It is a cyclic number.

It is not a de Polignac number, because 1372734590989 - 2⁹ = 1372734590477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1372734590939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686367295494 + 686367295495.

It is an arithmetic number, because the mean of its divisors is an integer number (686367295495).

Almost surely, 2^{1372734590989} is an apocalyptic number.

It is an amenable number.

1372734590989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1372734590989 is an equidigital number, since it uses as much as digits as its factorization.

1372734590989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102876480, while the sum is 67.

The spelling of 1372734590989 in words is "one trillion, three hundred seventy-two billion, seven hundred thirty-four million, five hundred ninety thousand, nine hundred eighty-nine".