2619938854 has 16 divisors (see below), whose sum is σ = 4253700528. Its totient is φ = 1203062112.

The previous prime is 2619938831. The next prime is 2619938897. The reversal of 2619938854 is 4588399162.

It is a junction number, because it is equal to n+sod(n) for n = 2619938795 and 2619938804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250632 + ... + 260875.

It is an arithmetic number, because the mean of its divisors is an integer number (265856283).

Almost surely, 2^2619938854 is an apocalyptic number.

2619938854 is a deficient number, since it is larger than the sum of its proper divisors (1633761674).

2619938854 is a wasteful number, since it uses less digits than its factorization.

2619938854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511719.

The product of its digits is 3732480, while the sum is 55.

The square root of 2619938854 is about 51185.3382718137. The cubic root of 2619938854 is about 1378.5749579237.

The spelling of 2619938854 in words is "two billion, six hundred nineteen million, nine hundred thirty-eight thousand, eight hundred fifty-four".