372137989 has 2 divisors, whose sum is σ = 372137990. Its totient is φ = 372137988.

The previous prime is 372137917. The next prime is 372138023. The reversal of 372137989 is 989731273.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 301022500 + 71115489 = 17350^2 + 8433^2 .

It is a cyclic number.

It is not a de Polignac number, because 372137989 - 2¹⁵ = 372105221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (372137489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186068994 + 186068995.

It is an arithmetic number, because the mean of its divisors is an integer number (186068995).

Almost surely, 2^372137989 is an apocalyptic number.

It is an amenable number.

372137989 is a deficient number, since it is larger than the sum of its proper divisors (1).

372137989 is an equidigital number, since it uses as much as digits as its factorization.

372137989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 571536, while the sum is 49.

The square root of 372137989 is about 19290.8783885027. The cubic root of 372137989 is about 719.2855496501.

The spelling of 372137989 in words is "three hundred seventy-two million, one hundred thirty-seven thousand, nine hundred eighty-nine".