2153434950 has 96 divisors (see below), whose sum is σ = 5946048000. Its totient is φ = 573075360.

The previous prime is 2153434937. The next prime is 2153434963. The reversal of 2153434950 is 594343512.

2153434950 is a `hidden beast` number, since 2 + 1 + 534 + 34 + 95 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (2153434937) and next prime (2153434963).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 807319 + ... + 809981.

It is an arithmetic number, because the mean of its divisors is an integer number (61938000).

Almost surely, 2^2153434950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2153434950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2973024000).

2153434950 is an abundant number, since it is smaller than the sum of its proper divisors (3792613050).

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

2153434950 is a wasteful number, since it uses less digits than its factorization.

2153434950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3283 (or 3272 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 2153434950 is about 46405.1177134591. The cubic root of 2153434950 is about 1291.3498579712.

The spelling of 2153434950 in words is "two billion, one hundred fifty-three million, four hundred thirty-four thousand, nine hundred fifty".