2421654939 has 24 divisors (see below), whose sum is σ = 3853005312. Its totient is φ = 1453414320.

The previous prime is 2421654919. The next prime is 2421654943. The reversal of 2421654939 is 9394561242.

It is not a de Polignac number, because 2421654939 - 2²¹ = 2419557787 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2421654894 and 2421654903.

It is not an unprimeable number, because it can be changed into a prime (2421654919) 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, 108547 + ... + 128940.

It is an arithmetic number, because the mean of its divisors is an integer number (160541888).

Almost surely, 2^2421654939 is an apocalyptic number.

2421654939 is a deficient number, since it is larger than the sum of its proper divisors (1431350373).

2421654939 is a wasteful number, since it uses less digits than its factorization.

2421654939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237607 (or 237604 counting only the distinct ones).

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

The square root of 2421654939 is about 49210.3133397868. The cubic root of 2421654939 is about 1342.8806631489.

The spelling of 2421654939 in words is "two billion, four hundred twenty-one million, six hundred fifty-four thousand, nine hundred thirty-nine".