5197057851 has 16 divisors (see below), whose sum is σ = 7426116864. Its totient is φ = 3224494944.

The previous prime is 5197057847. The next prime is 5197057871. The reversal of 5197057851 is 1587507915.

It is a happy number.

It is not a de Polignac number, because 5197057851 - 2² = 5197057847 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5197057851.

It is not an unprimeable number, because it can be changed into a prime (5197057871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1015281 + ... + 1020386.

It is an arithmetic number, because the mean of its divisors is an integer number (464132304).

Almost surely, 2^5197057851 is an apocalyptic number.

5197057851 is a deficient number, since it is larger than the sum of its proper divisors (2229059013).

5197057851 is a wasteful number, since it uses less digits than its factorization.

5197057851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2035730.

The product of its (nonzero) digits is 441000, while the sum is 48.

The square root of 5197057851 is about 72090.6224900299. The cubic root of 5197057851 is about 1732.1514048698.

The spelling of 5197057851 in words is "five billion, one hundred ninety-seven million, fifty-seven thousand, eight hundred fifty-one".