2536939497 has 4 divisors (see below), whose sum is σ = 3382586000. Its totient is φ = 1691292996.

The previous prime is 2536939481. The next prime is 2536939501. The reversal of 2536939497 is 7949396352.

It is a happy number.

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 not a de Polignac number, because 2536939497 - 2⁴ = 2536939481 is a prime.

It is a super-2 number, since 2×2536939497² = 12872124022877226018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2536939477) 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, 422823247 + ... + 422823252.

It is an arithmetic number, because the mean of its divisors is an integer number (845646500).

Almost surely, 2^2536939497 is an apocalyptic number.

It is an amenable number.

2536939497 is a deficient number, since it is larger than the sum of its proper divisors (845646503).

2536939497 is an equidigital number, since it uses as much as digits as its factorization.

2536939497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845646502.

The product of its digits is 11022480, while the sum is 57.

The square root of 2536939497 is about 50368.0404324012. The cubic root of 2536939497 is about 1363.8607671782.

The spelling of 2536939497 in words is "two billion, five hundred thirty-six million, nine hundred thirty-nine thousand, four hundred ninety-seven".