5190921601 has 16 divisors (see below), whose sum is σ = 5422697280. Its totient is φ = 4964581440.

The previous prime is 5190921583. The next prime is 5190921607. The reversal of 5190921601 is 1061290915.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5190921601 - 2⁵ = 5190921569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5190921607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1299315 + ... + 1303303.

It is an arithmetic number, because the mean of its divisors is an integer number (338918580).

Almost surely, 2^5190921601 is an apocalyptic number.

It is an amenable number.

5190921601 is a deficient number, since it is larger than the sum of its proper divisors (231775679).

5190921601 is a wasteful number, since it uses less digits than its factorization.

5190921601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4656.

The product of its (nonzero) digits is 4860, while the sum is 34.

The square root of 5190921601 is about 72048.0506398334. The cubic root of 5190921601 is about 1731.4694100211.

The spelling of 5190921601 in words is "five billion, one hundred ninety million, nine hundred twenty-one thousand, six hundred one".