5197421376 has 560 divisors, whose sum is σ = 18686272000. Its totient is φ = 1426553856.

The previous prime is 5197421357. The next prime is 5197421401. The reversal of 5197421376 is 6731247915.

5197421376 is a `hidden beast` number, since 5 + 197 + 421 + 37 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 65790105 + ... + 65790183.

Almost surely, 2^5197421376 is an apocalyptic number.

5197421376 is a gapful number since it is divisible by the number (56) 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 5197421376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9343136000).

5197421376 is an abundant number, since it is smaller than the sum of its proper divisors (13488850624).

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

5197421376 is an equidigital number, since it uses as much as digits as its factorization.

5197421376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 128 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 5197421376 is about 72093.1437516772. The cubic root of 5197421376 is about 1732.1917909034.

The spelling of 5197421376 in words is "five billion, one hundred ninety-seven million, four hundred twenty-one thousand, three hundred seventy-six".