29498878979 has 2 divisors, whose sum is σ = 29498878980. Its totient is φ = 29498878978.

The previous prime is 29498878933. The next prime is 29498879017. The reversal of 29498878979 is 97987889492.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 29498878979 - 2¹² = 29498874883 is a prime.

It is a super-2 number, since 2×29498878979² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (29498878379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14749439489 + 14749439490.

It is an arithmetic number, because the mean of its divisors is an integer number (14749439490).

Almost surely, 2^29498878979 is an apocalyptic number.

29498878979 is a deficient number, since it is larger than the sum of its proper divisors (1).

29498878979 is an equidigital number, since it uses as much as digits as its factorization.

29498878979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1316818944, while the sum is 80.

The spelling of 29498878979 in words is "twenty-nine billion, four hundred ninety-eight million, eight hundred seventy-eight thousand, nine hundred seventy-nine".