902100641 has 16 divisors (see below), whose sum is σ = 1015464576. Its totient is φ = 795142656.

The previous prime is 902100623. The next prime is 902100659. The reversal of 902100641 is 146001209.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (902100623) and next prime (902100659).

It is a cyclic number.

It is not a de Polignac number, because 902100641 - 2¹⁴ = 902084257 is a prime.

It is a super-2 number, since 2×902100641² = 1627571132985221762, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (902100691) 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, 198986 + ... + 203468.

It is an arithmetic number, because the mean of its divisors is an integer number (63466536).

Almost surely, 2^902100641 is an apocalyptic number.

It is an amenable number.

902100641 is a deficient number, since it is larger than the sum of its proper divisors (113363935).

902100641 is a wasteful number, since it uses less digits than its factorization.

902100641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5192.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 902100641 is about 30034.9902780074. The cubic root of 902100641 is about 966.2399663465.

The spelling of 902100641 in words is "nine hundred two million, one hundred thousand, six hundred forty-one".