98953691939 has 2 divisors, whose sum is σ = 98953691940. Its totient is φ = 98953691938.

The previous prime is 98953691933. The next prime is 98953692017. The reversal of 98953691939 is 93919635989.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98953691939 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (98953691933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49476845969 + 49476845970.

It is an arithmetic number, because the mean of its divisors is an integer number (49476845970).

Almost surely, 2^98953691939 is an apocalyptic number.

98953691939 is a deficient number, since it is larger than the sum of its proper divisors (1).

98953691939 is an equidigital number, since it uses as much as digits as its factorization.

98953691939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127545840, while the sum is 71.

The spelling of 98953691939 in words is "ninety-eight billion, nine hundred fifty-three million, six hundred ninety-one thousand, nine hundred thirty-nine".