2539695855 has 16 divisors (see below), whose sum is σ = 4086218880. Its totient is φ = 1346935968.

The previous prime is 2539695853. The next prime is 2539695877. The reversal of 2539695855 is 5585969352.

It is not a de Polignac number, because 2539695855 - 2¹ = 2539695853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2539695795 and 2539695804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2539695853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 470257 + ... + 475626.

It is an arithmetic number, because the mean of its divisors is an integer number (255388680).

Almost surely, 2^2539695855 is an apocalyptic number.

2539695855 is a deficient number, since it is larger than the sum of its proper divisors (1546523025).

2539695855 is a wasteful number, since it uses less digits than its factorization.

2539695855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946070.

The product of its digits is 14580000, while the sum is 57.

The square root of 2539695855 is about 50395.3951765437. The cubic root of 2539695855 is about 1364.3545285110.

The spelling of 2539695855 in words is "two billion, five hundred thirty-nine million, six hundred ninety-five thousand, eight hundred fifty-five".