2464993521 has 6 divisors (see below), whose sum is σ = 3560546210. Its totient is φ = 1643329008.

The previous prime is 2464993501. The next prime is 2464993529. The reversal of 2464993521 is 1253994642.

2464993521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2414739600 + 50253921 = 49140^2 + 7089^2 .

It is not a de Polignac number, because 2464993521 - 2⁶ = 2464993457 is a prime.

It is a super-3 number, since 3×2464993521³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2464993529) 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, 136944076 + ... + 136944093.

Almost surely, 2^2464993521 is an apocalyptic number.

It is an amenable number.

2464993521 is a deficient number, since it is larger than the sum of its proper divisors (1095552689).

2464993521 is a wasteful number, since it uses less digits than its factorization.

2464993521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273888175 (or 273888172 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 2464993521 is about 49648.7011008345. The cubic root of 2464993521 is about 1350.8441946240.

The spelling of 2464993521 in words is "two billion, four hundred sixty-four million, nine hundred ninety-three thousand, five hundred twenty-one".