5191233408 has 64 divisors (see below), whose sum is σ = 15321358800. Its totient is φ = 1730409984.

The previous prime is 5191233403. The next prime is 5191233419. The reversal of 5191233408 is 8043321915.

5191233408 is a `hidden beast` number, since 5 + 19 + 1 + 233 + 408 = 666.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5191233403) 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, 747591 + ... + 754502.

Almost surely, 2^5191233408 is an apocalyptic number.

It is an amenable number.

5191233408 is an abundant number, since it is smaller than the sum of its proper divisors (10130125392).

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

5191233408 is a wasteful number, since it uses less digits than its factorization.

5191233408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502116 (or 1502098 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 5191233408 is about 72050.2144896183. The cubic root of 5191233408 is about 1731.5040778197.

The spelling of 5191233408 in words is "five billion, one hundred ninety-one million, two hundred thirty-three thousand, four hundred eight".