29975418947 has 6 divisors (see below), whose sum is σ = 30004618788. Its totient is φ = 29946229992.

The previous prime is 29975418931. The next prime is 29975418961. The reversal of 29975418947 is 74981457992.

It is not a de Polignac number, because 29975418947 - 2⁴ = 29975418931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29975478947) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6256829 + ... + 6261617.

It is an arithmetic number, because the mean of its divisors is an integer number (5000769798).

Almost surely, 2^29975418947 is an apocalyptic number.

29975418947 is a deficient number, since it is larger than the sum of its proper divisors (29199841).

29975418947 is an frugal number, since it uses more digits than its factorization.

29975418947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10885 (or 6096 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 65.

The spelling of 29975418947 in words is "twenty-nine billion, nine hundred seventy-five million, four hundred eighteen thousand, nine hundred forty-seven".