2153411544 has 64 divisors (see below), whose sum is σ = 5536159200. Its totient is φ = 697503744.

The previous prime is 2153411537. The next prime is 2153411551. The reversal of 2153411544 is 4451143512.

It is an interprime number because it is at equal distance from previous prime (2153411537) and next prime (2153411551).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1268104 + ... + 1269800.

Almost surely, 2^2153411544 is an apocalyptic number.

2153411544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2153411544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2768079600).

2153411544 is an abundant number, since it is smaller than the sum of its proper divisors (3382747656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2153411544 is a wasteful number, since it uses less digits than its factorization.

2153411544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3172 (or 3168 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 2153411544 is about 46404.8655207619. The cubic root of 2153411544 is about 1291.3451793306.

The spelling of 2153411544 in words is "two billion, one hundred fifty-three million, four hundred eleven thousand, five hundred forty-four".