2153621264336 has 10 divisors (see below), whose sum is σ = 4172641199682. Its totient is φ = 1076810632160.

The previous prime is 2153621264309. The next prime is 2153621264341. The reversal of 2153621264336 is 6334621263512.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2074579315600 + 79041948736 = 1440340^2 + 281144^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67300664495 + ... + 67300664526.

Almost surely, 2^{2153621264336} is an apocalyptic number.

It is an amenable number.

2153621264336 is a deficient number, since it is larger than the sum of its proper divisors (2019019935346).

2153621264336 is a wasteful number, since it uses less digits than its factorization.

2153621264336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134601329029 (or 134601329023 counting only the distinct ones).

The product of its digits is 933120, while the sum is 44.

The spelling of 2153621264336 in words is "two trillion, one hundred fifty-three billion, six hundred twenty-one million, two hundred sixty-four thousand, three hundred thirty-six".