2153334621 has 8 divisors (see below), whose sum is σ = 2948710624. Its totient is φ = 1396757520.

The previous prime is 2153334571. The next prime is 2153334643. The reversal of 2153334621 is 1264333512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2153334621 - 2²¹ = 2151237469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153334691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9699595 + ... + 9699816.

It is an arithmetic number, because the mean of its divisors is an integer number (368588828).

Almost surely, 2^2153334621 is an apocalyptic number.

It is an amenable number.

2153334621 is a deficient number, since it is larger than the sum of its proper divisors (795376003).

2153334621 is a wasteful number, since it uses less digits than its factorization.

2153334621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19399451.

The product of its digits is 12960, while the sum is 30.

The square root of 2153334621 is about 46404.0366886330. The cubic root of 2153334621 is about 1291.3298029033.

The spelling of 2153334621 in words is "two billion, one hundred fifty-three million, three hundred thirty-four thousand, six hundred twenty-one".