499780598651 has 2 divisors, whose sum is σ = 499780598652. Its totient is φ = 499780598650.

The previous prime is 499780598599. The next prime is 499780598657. The reversal of 499780598651 is 156895087994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 499780598651 - 2¹⁴ = 499780582267 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (499780598657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249890299325 + 249890299326.

It is an arithmetic number, because the mean of its divisors is an integer number (249890299326).

Almost surely, 2^499780598651 is an apocalyptic number.

499780598651 is a deficient number, since it is larger than the sum of its proper divisors (1).

499780598651 is an equidigital number, since it uses as much as digits as its factorization.

499780598651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 195955200, while the sum is 71.

The spelling of 499780598651 in words is "four hundred ninety-nine billion, seven hundred eighty million, five hundred ninety-eight thousand, six hundred fifty-one".