5370516781 has 4 divisors (see below), whose sum is σ = 6137733472. Its totient is φ = 4603300092.

The previous prime is 5370516769. The next prime is 5370516793. The reversal of 5370516781 is 1876150735.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (5370516769) and next prime (5370516793).

It is a cyclic number.

It is not a de Polignac number, because 5370516781 - 2¹¹ = 5370514733 is a prime.

It is a super-2 number, since 2×5370516781² = 57684900990005203922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5370510781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383608335 + ... + 383608348.

It is an arithmetic number, because the mean of its divisors is an integer number (1534433368).

Almost surely, 2^5370516781 is an apocalyptic number.

It is an amenable number.

5370516781 is a deficient number, since it is larger than the sum of its proper divisors (767216691).

5370516781 is an equidigital number, since it uses as much as digits as its factorization.

5370516781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767216690.

The product of its (nonzero) digits is 176400, while the sum is 43.

The square root of 5370516781 is about 73283.8098149926. The cubic root of 5370516781 is about 1751.2118714449.

The spelling of 5370516781 in words is "five billion, three hundred seventy million, five hundred sixteen thousand, seven hundred eighty-one".