998911630037 has 2 divisors, whose sum is σ = 998911630038. Its totient is φ = 998911630036.

The previous prime is 998911630019. The next prime is 998911630103. The reversal of 998911630037 is 730036119899.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 896608247236 + 102303382801 = 946894^2 + 319849^2 .

It is a cyclic number.

It is not a de Polignac number, because 998911630037 - 2¹² = 998911625941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (998911630837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499455815018 + 499455815019.

It is an arithmetic number, because the mean of its divisors is an integer number (499455815019).

Almost surely, 2^998911630037 is an apocalyptic number.

It is an amenable number.

998911630037 is a deficient number, since it is larger than the sum of its proper divisors (1).

998911630037 is an equidigital number, since it uses as much as digits as its factorization.

998911630037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2204496, while the sum is 56.

The spelling of 998911630037 in words is "nine hundred ninety-eight billion, nine hundred eleven million, six hundred thirty thousand, thirty-seven".