98819940429 has 24 divisors (see below), whose sum is σ = 163195593600. Its totient is φ = 56446292448.

The previous prime is 98819940383. The next prime is 98819940433. The reversal of 98819940429 is 92404991889.

98819940429 is a `hidden beast` number, since 9 + 8 + 81 + 99 + 40 + 429 = 666.

It is not a de Polignac number, because 98819940429 - 2¹¹ = 98819938381 is a prime.

It is a super-2 number, since 2×98819940429² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98819940529) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147097 + ... + 468270.

It is an arithmetic number, because the mean of its divisors is an integer number (6799816400).

Almost surely, 2^98819940429 is an apocalyptic number.

It is an amenable number.

98819940429 is a deficient number, since it is larger than the sum of its proper divisors (64375653171).

98819940429 is a wasteful number, since it uses less digits than its factorization.

98819940429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617929 (or 617926 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 63.

The spelling of 98819940429 in words is "ninety-eight billion, eight hundred nineteen million, nine hundred forty thousand, four hundred twenty-nine".