18832125971389 has 2 divisors, whose sum is σ = 18832125971390. Its totient is φ = 18832125971388.

The previous prime is 18832125971383. The next prime is 18832125971411. The reversal of 18832125971389 is 98317952123881.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9723451880025 + 9108674091364 = 3118245^2 + 3018058^2 .

It is a cyclic number.

It is not a de Polignac number, because 18832125971389 - 2¹³ = 18832125963197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18832125971383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9416062985694 + 9416062985695.

It is an arithmetic number, because the mean of its divisors is an integer number (9416062985695).

Almost surely, 2^{18832125971389} is an apocalyptic number.

It is an amenable number.

18832125971389 is a deficient number, since it is larger than the sum of its proper divisors (1).

18832125971389 is an equidigital number, since it uses as much as digits as its factorization.

18832125971389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52254720, while the sum is 67.

The spelling of 18832125971389 in words is "eighteen trillion, eight hundred thirty-two billion, one hundred twenty-five million, nine hundred seventy-one thousand, three hundred eighty-nine".