901989037 has 2 divisors, whose sum is σ = 901989038. Its totient is φ = 901989036.

The previous prime is 901989031. The next prime is 901989047. The reversal of 901989037 is 730989109.

901989037 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 888695721 + 13293316 = 29811^2 + 3646^2 .

It is a cyclic number.

It is not a de Polignac number, because 901989037 - 2³ = 901989029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (901989031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450994518 + 450994519.

It is an arithmetic number, because the mean of its divisors is an integer number (450994519).

Almost surely, 2^901989037 is an apocalyptic number.

It is an amenable number.

901989037 is a deficient number, since it is larger than the sum of its proper divisors (1).

901989037 is an equidigital number, since it uses as much as digits as its factorization.

901989037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 46.

The square root of 901989037 is about 30033.1323208219. The cubic root of 901989037 is about 966.2001183563.

It can be divided in two parts, 90198 and 9037, that added together give a triangular number (99235 = T₄₄₅).

The spelling of 901989037 in words is "nine hundred one million, nine hundred eighty-nine thousand, thirty-seven".