2261650431 has 16 divisors (see below), whose sum is σ = 3030102144. Its totient is φ = 1500497184.

The previous prime is 2261650411. The next prime is 2261650507. The reversal of 2261650431 is 1340561622.

It is not a de Polignac number, because 2261650431 - 2¹⁵ = 2261617663 is a prime.

It is a super-2 number, since 2×2261650431² = 10230125344084971522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261650411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1264720 + ... + 1266506.

It is an arithmetic number, because the mean of its divisors is an integer number (189381384).

Almost surely, 2^2261650431 is an apocalyptic number.

2261650431 is a deficient number, since it is larger than the sum of its proper divisors (768451713).

2261650431 is a wasteful number, since it uses less digits than its factorization.

2261650431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3590.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 2261650431 is about 47556.8126665360. The cubic root of 2261650431 is about 1312.6284910759.

The spelling of 2261650431 in words is "two billion, two hundred sixty-one million, six hundred fifty thousand, four hundred thirty-one".