98919012851 has 2 divisors, whose sum is σ = 98919012852. Its totient is φ = 98919012850.

The previous prime is 98919012817. The next prime is 98919012937. The reversal of 98919012851 is 15821091989.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 98919012851 - 2¹⁰ = 98919011827 is a prime.

It is a super-2 number, since 2×98919012851² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 98919012793 and 98919012802.

It is not a weakly prime, because it can be changed into another prime (98919012551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49459506425 + 49459506426.

It is an arithmetic number, because the mean of its divisors is an integer number (49459506426).

Almost surely, 2^98919012851 is an apocalyptic number.

98919012851 is a deficient number, since it is larger than the sum of its proper divisors (1).

98919012851 is an equidigital number, since it uses as much as digits as its factorization.

98919012851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 53.

The spelling of 98919012851 in words is "ninety-eight billion, nine hundred nineteen million, twelve thousand, eight hundred fifty-one".