2153746484 has 24 divisors (see below), whose sum is σ = 3822150528. Its totient is φ = 1061786880.

The previous prime is 2153746457. The next prime is 2153746537. The reversal of 2153746484 is 4846473512.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94907 + ... + 115389.

It is an arithmetic number, because the mean of its divisors is an integer number (159256272).

Almost surely, 2^2153746484 is an apocalyptic number.

It is an amenable number.

2153746484 is a deficient number, since it is larger than the sum of its proper divisors (1668404044).

2153746484 is a wasteful number, since it uses less digits than its factorization.

2153746484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20855 (or 20853 counting only the distinct ones).

The product of its digits is 645120, while the sum is 44.

The square root of 2153746484 is about 46408.4742692539. The cubic root of 2153746484 is about 1291.4121274766.

The spelling of 2153746484 in words is "two billion, one hundred fifty-three million, seven hundred forty-six thousand, four hundred eighty-four".