2153773445476 has 27 divisors (see below), whose sum is σ = 3903708587961. Its totient is φ = 1039711605744.

The previous prime is 2153773445443. The next prime is 2153773445587. The reversal of 2153773445476 is 6745443773512.

The square root of 2153773445476 is 1467574.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1129386551076 + 1024386894400 = 1062726^2 + 1012120^2 .

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2153773445476.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 85106641 + ... + 85131943.

Almost surely, 2^{2153773445476} is an apocalyptic number.

2153773445476 is the 1467574-th square number.

It is an amenable number.

2153773445476 is a deficient number, since it is larger than the sum of its proper divisors (1749935142485).

2153773445476 is an frugal number, since it uses more digits than its factorization.

2153773445476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50668 (or 25334 counting only the distinct ones).

The product of its digits is 59270400, while the sum is 58.

The spelling of 2153773445476 in words is "two trillion, one hundred fifty-three billion, seven hundred seventy-three million, four hundred forty-five thousand, four hundred seventy-six".