902468681 has 6 divisors (see below), whose sum is σ = 958678110. Its totient is φ = 849382016.

The previous prime is 902468663. The next prime is 902468701. The reversal of 902468681 is 186864209.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 272910400 + 629558281 = 16520^2 + 25091^2 .

It is not a de Polignac number, because 902468681 - 2⁶ = 902468617 is a prime.

It is a super-2 number, since 2×902468681² = 1628899440371759522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (902468381) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1561076 + ... + 1561653.

It is an arithmetic number, because the mean of its divisors is an integer number (159779685).

Almost surely, 2^902468681 is an apocalyptic number.

It is an amenable number.

902468681 is a deficient number, since it is larger than the sum of its proper divisors (56209429).

902468681 is a wasteful number, since it uses less digits than its factorization.

902468681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3122763 (or 3122746 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 902468681 is about 30041.1165072139. The cubic root of 902468681 is about 966.3713510246.

The spelling of 902468681 in words is "nine hundred two million, four hundred sixty-eight thousand, six hundred eighty-one".