4997131207 has 2 divisors, whose sum is σ = 4997131208. Its totient is φ = 4997131206.

The previous prime is 4997131199. The next prime is 4997131213. The reversal of 4997131207 is 7021317994.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4997131207 - 2³ = 4997131199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4997131507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2498565603 + 2498565604.

It is an arithmetic number, because the mean of its divisors is an integer number (2498565604).

Almost surely, 2^4997131207 is an apocalyptic number.

4997131207 is a deficient number, since it is larger than the sum of its proper divisors (1).

4997131207 is an equidigital number, since it uses as much as digits as its factorization.

4997131207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 4997131207 is about 70690.3897782435. The cubic root of 4997131207 is about 1709.6488463081.

The spelling of 4997131207 in words is "four billion, nine hundred ninety-seven million, one hundred thirty-one thousand, two hundred seven".