2539695854 has 16 divisors (see below), whose sum is σ = 3892097088. Its totient is φ = 1242351072.

The previous prime is 2539695853. The next prime is 2539695877. The reversal of 2539695854 is 4585969352.

It is a self number, because there is not a number n which added to its sum of digits gives 2539695854.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460964 + ... + 466440.

It is an arithmetic number, because the mean of its divisors is an integer number (243256068).

Almost surely, 2^2539695854 is an apocalyptic number.

2539695854 is a deficient number, since it is larger than the sum of its proper divisors (1352401234).

2539695854 is a wasteful number, since it uses less digits than its factorization.

2539695854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10459.

The product of its digits is 11664000, while the sum is 56.

The square root of 2539695854 is about 50395.3951666221. The cubic root of 2539695854 is about 1364.3545283320.

The spelling of 2539695854 in words is "two billion, five hundred thirty-nine million, six hundred ninety-five thousand, eight hundred fifty-four".