29393118690 has 32 divisors (see below), whose sum is σ = 75969907776. Its totient is φ = 7235229120.

The previous prime is 29393118673. The next prime is 29393118707. The reversal of 29393118690 is 9681139392.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (29393118673) and next prime (29393118707).

It is a super-2 number, since 2×29393118690² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37683096 + ... + 37683875.

It is an arithmetic number, because the mean of its divisors is an integer number (2374059618).

Almost surely, 2^29393118690 is an apocalyptic number.

29393118690 is an abundant number, since it is smaller than the sum of its proper divisors (46576789086).

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

29393118690 is a wasteful number, since it uses less digits than its factorization.

29393118690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75366994.

The product of its (nonzero) digits is 629856, while the sum is 51.

The spelling of 29393118690 in words is "twenty-nine billion, three hundred ninety-three million, one hundred eighteen thousand, six hundred ninety".