998962940627 has 2 divisors, whose sum is σ = 998962940628. Its totient is φ = 998962940626.

The previous prime is 998962940533. The next prime is 998962940639. The reversal of 998962940627 is 726049269899.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 998962940627 - 2²⁰ = 998961892051 is a prime.

It is a super-2 number, since 2×998962940627² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (998962940687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499481470313 + 499481470314.

It is an arithmetic number, because the mean of its divisors is an integer number (499481470314).

Almost surely, 2^998962940627 is an apocalyptic number.

998962940627 is a deficient number, since it is larger than the sum of its proper divisors (1).

998962940627 is an equidigital number, since it uses as much as digits as its factorization.

998962940627 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211631616, while the sum is 71.

The spelling of 998962940627 in words is "nine hundred ninety-eight billion, nine hundred sixty-two million, nine hundred forty thousand, six hundred twenty-seven".