2153502794 has 4 divisors (see below), whose sum is σ = 3230254194. Its totient is φ = 1076751396.

The previous prime is 2153502787. The next prime is 2153502803. The reversal of 2153502794 is 4972053512.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1850290225 + 303212569 = 43015^2 + 17413^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538375697 + ... + 538375700.

Almost surely, 2^2153502794 is an apocalyptic number.

2153502794 is a deficient number, since it is larger than the sum of its proper divisors (1076751400).

2153502794 is a wasteful number, since it uses less digits than its factorization.

2153502794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076751399.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 2153502794 is about 46405.8487046622. The cubic root of 2153502794 is about 1291.3634191609.

The spelling of 2153502794 in words is "two billion, one hundred fifty-three million, five hundred two thousand, seven hundred ninety-four".