29971286075 has 12 divisors (see below), whose sum is σ = 37169847168. Its totient is φ = 23973511200.

The previous prime is 29971286011. The next prime is 29971286077. The reversal of 29971286075 is 57068217992.

It is not a de Polignac number, because 29971286075 - 2⁶ = 29971286011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29971286075.

It is not an unprimeable number, because it can be changed into a prime (29971286077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93185 + ... + 261965.

It is an arithmetic number, because the mean of its divisors is an integer number (3097487264).

Almost surely, 2^29971286075 is an apocalyptic number.

29971286075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

29971286075 is a deficient number, since it is larger than the sum of its proper divisors (7198561093).

29971286075 is a wasteful number, since it uses less digits than its factorization.

29971286075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175894 (or 175889 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 56.

The spelling of 29971286075 in words is "twenty-nine billion, nine hundred seventy-one million, two hundred eighty-six thousand, seventy-five".