29999698488 has 40 divisors (see below), whose sum is σ = 84026935080. Its totient is φ = 9999899280.

The previous prime is 29999698459. The next prime is 29999698493. The reversal of 29999698488 is 88489699992.

It is a happy number.

It is a super-2 number, since 2×29999698488² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 23147268 + ... + 23148563.

It is an arithmetic number, because the mean of its divisors is an integer number (2100673377).

Almost surely, 2^29999698488 is an apocalyptic number.

It is an amenable number.

29999698488 is an abundant number, since it is smaller than the sum of its proper divisors (54027236592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29999698488 is a wasteful number, since it uses less digits than its factorization.

29999698488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46295849 (or 46295836 counting only the distinct ones).

The product of its digits is 1451188224, while the sum is 81.

The spelling of 29999698488 in words is "twenty-nine billion, nine hundred ninety-nine million, six hundred ninety-eight thousand, four hundred eighty-eight".