2129463732 has 48 divisors (see below), whose sum is σ = 5425039872. Its totient is φ = 644746080.

The previous prime is 2129463731. The next prime is 2129463761. The reversal of 2129463732 is 2373649212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2129463731) 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, 166353 + ... + 178695.

It is an arithmetic number, because the mean of its divisors is an integer number (113021664).

Almost surely, 2^2129463732 is an apocalyptic number.

2129463732 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2129463732 is an abundant number, since it is smaller than the sum of its proper divisors (3295576140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2129463732 is a wasteful number, since it uses less digits than its factorization.

2129463732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13668 (or 13666 counting only the distinct ones).

The product of its digits is 108864, while the sum is 39.

The square root of 2129463732 is about 46146.1128590481. The cubic root of 2129463732 is about 1286.5403627649.

The spelling of 2129463732 in words is "two billion, one hundred twenty-nine million, four hundred sixty-three thousand, seven hundred thirty-two".