499122032251 has 2 divisors, whose sum is σ = 499122032252. Its totient is φ = 499122032250.

The previous prime is 499122032239. The next prime is 499122032341. The reversal of 499122032251 is 152230221994.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 499122032251 - 2¹³ = 499122024059 is a prime.

It is not a weakly prime, because it can be changed into another prime (499122032051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249561016125 + 249561016126.

It is an arithmetic number, because the mean of its divisors is an integer number (249561016126).

Almost surely, 2^499122032251 is an apocalyptic number.

499122032251 is a deficient number, since it is larger than the sum of its proper divisors (1).

499122032251 is an equidigital number, since it uses as much as digits as its factorization.

499122032251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 499122032251 in words is "four hundred ninety-nine billion, one hundred twenty-two million, thirty-two thousand, two hundred fifty-one".