5097370781 has 8 divisors (see below), whose sum is σ = 5225262840. Its totient is φ = 4971048192.

The previous prime is 5097370757. The next prime is 5097370807. The reversal of 5097370781 is 1870737905.

It can be written as a sum of positive squares in 4 ways, for example, as 1262665156 + 3834705625 = 35534^2 + 61925^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5097370781 is a prime.

It is a super-2 number, since 2×5097370781² = 51966377757985099922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5097370981) 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, 385790 + ... + 398783.

It is an arithmetic number, because the mean of its divisors is an integer number (653157855).

Almost surely, 2^5097370781 is an apocalyptic number.

It is an amenable number.

5097370781 is a deficient number, since it is larger than the sum of its proper divisors (127892059).

5097370781 is an equidigital number, since it uses as much as digits as its factorization.

5097370781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784735.

The product of its (nonzero) digits is 370440, while the sum is 47.

The square root of 5097370781 is about 71395.8736972943. The cubic root of 5097370781 is about 1721.0047740445.

The spelling of 5097370781 in words is "five billion, ninety-seven million, three hundred seventy thousand, seven hundred eighty-one".