2151463732 has 36 divisors (see below), whose sum is σ = 4163998048. Its totient is φ = 971902800.

The previous prime is 2151463711. The next prime is 2151463739. The reversal of 2151463732 is 2373641512.

It is a super-2 number, since 2×2151463732² = 9257592380222735648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151463739) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65257 + ... + 92527.

Almost surely, 2^2151463732 is an apocalyptic number.

2151463732 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2151463732 is a deficient number, since it is larger than the sum of its proper divisors (2012534316).

2151463732 is a wasteful number, since it uses less digits than its factorization.

2151463732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27460 (or 27447 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The square root of 2151463732 is about 46383.8736200417. The cubic root of 2151463732 is about 1290.9557110615.

The spelling of 2151463732 in words is "two billion, one hundred fifty-one million, four hundred sixty-three thousand, seven hundred thirty-two".