901413989 has 16 divisors (see below), whose sum is σ = 1066849920. Its totient is φ = 745200960.

The previous prime is 901413971. The next prime is 901414037. The reversal of 901413989 is 989314109.

It is a de Polignac number, because none of the positive numbers 2^k-901413989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (901413589) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258719 + ... + 262179.

It is an arithmetic number, because the mean of its divisors is an integer number (66678120).

Almost surely, 2^901413989 is an apocalyptic number.

It is an amenable number.

901413989 is a deficient number, since it is larger than the sum of its proper divisors (165435931).

901413989 is a wasteful number, since it uses less digits than its factorization.

901413989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4780.

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 901413989 is about 30023.5572342786. The cubic root of 901413989 is about 965.9947464733.

The spelling of 901413989 in words is "nine hundred one million, four hundred thirteen thousand, nine hundred eighty-nine".