2619157172 has 12 divisors (see below), whose sum is σ = 4590340356. Its totient is φ = 1307631360.

The previous prime is 2619157141. The next prime is 2619157181. The reversal of 2619157172 is 2717519162.

It can be written as a sum of positive squares in 2 ways, for example, as 1626024976 + 993132196 = 40324^2 + 31514^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 483779 + ... + 489162.

It is an arithmetic number, because the mean of its divisors is an integer number (382528363).

Almost surely, 2^2619157172 is an apocalyptic number.

It is an amenable number.

2619157172 is a deficient number, since it is larger than the sum of its proper divisors (1971183184).

2619157172 is a wasteful number, since it uses less digits than its factorization.

2619157172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973618 (or 973616 counting only the distinct ones).

The product of its digits is 52920, while the sum is 41.

The square root of 2619157172 is about 51177.7019022933. The cubic root of 2619157172 is about 1378.4378409299.

The spelling of 2619157172 in words is "two billion, six hundred nineteen million, one hundred fifty-seven thousand, one hundred seventy-two".