2504839663 has 2 divisors, whose sum is σ = 2504839664. Its totient is φ = 2504839662.

The previous prime is 2504839661. The next prime is 2504839681. The reversal of 2504839663 is 3669384052.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2504839663 - 2¹ = 2504839661 is a prime.

Together with 2504839661, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2504839661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252419831 + 1252419832.

It is an arithmetic number, because the mean of its divisors is an integer number (1252419832).

Almost surely, 2^2504839663 is an apocalyptic number.

2504839663 is a deficient number, since it is larger than the sum of its proper divisors (1).

2504839663 is an equidigital number, since it uses as much as digits as its factorization.

2504839663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 46.

The square root of 2504839663 is about 50048.3732303059. The cubic root of 2504839663 is about 1358.0840348670.

The spelling of 2504839663 in words is "two billion, five hundred four million, eight hundred thirty-nine thousand, six hundred sixty-three".