2464532721 has 24 divisors (see below), whose sum is σ = 4307756544. Its totient is φ = 1325462400.

The previous prime is 2464532711. The next prime is 2464532747. The reversal of 2464532721 is 1272354642.

2464532721 is a `hidden beast` number, since 2 + 4 + 645 + 3 + 2 + 7 + 2 + 1 = 666.

2464532721 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2464532721 - 2⁶ = 2464532657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2464532711) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1149505 + ... + 1151646.

It is an arithmetic number, because the mean of its divisors is an integer number (179489856).

Almost surely, 2^2464532721 is an apocalyptic number.

2464532721 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2464532721 is a deficient number, since it is larger than the sum of its proper divisors (1843223823).

2464532721 is a wasteful number, since it uses less digits than its factorization.

2464532721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2301181 (or 2301178 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 2464532721 is about 49644.0602791512. The cubic root of 2464532721 is about 1350.7600148495.

The spelling of 2464532721 in words is "two billion, four hundred sixty-four million, five hundred thirty-two thousand, seven hundred twenty-one".