98814292991 has 2 divisors, whose sum is σ = 98814292992. Its totient is φ = 98814292990.

The previous prime is 98814292963. The next prime is 98814293003. The reversal of 98814292991 is 19929241889.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 98814292991 - 2¹⁰ = 98814291967 is a prime.

It is a super-2 number, since 2×98814292991² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98814294991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49407146495 + 49407146496.

It is an arithmetic number, because the mean of its divisors is an integer number (49407146496).

Almost surely, 2^98814292991 is an apocalyptic number.

98814292991 is a deficient number, since it is larger than the sum of its proper divisors (1).

98814292991 is an equidigital number, since it uses as much as digits as its factorization.

98814292991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6718464, while the sum is 62.

The spelling of 98814292991 in words is "ninety-eight billion, eight hundred fourteen million, two hundred ninety-two thousand, nine hundred ninety-one".