147236969979 has 48 divisors (see below), whose sum is σ = 240737384160. Its totient is φ = 85927495680.

The previous prime is 147236969939. The next prime is 147236969981. The reversal of 147236969979 is 979969632741.

147236969979 is a `hidden beast` number, since 1 + 472 + 3 + 6 + 9 + 69 + 97 + 9 = 666.

It is not a de Polignac number, because 147236969979 - 2²⁹ = 146700099067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (147236969939) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 148117 + ... + 562505.

It is an arithmetic number, because the mean of its divisors is an integer number (5015362170).

Almost surely, 2^147236969979 is an apocalyptic number.

147236969979 is a deficient number, since it is larger than the sum of its proper divisors (93500414181).

147236969979 is a wasteful number, since it uses less digits than its factorization.

147236969979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414540 (or 414537 counting only the distinct ones).

The product of its digits is 277766496, while the sum is 72.

The spelling of 147236969979 in words is "one hundred forty-seven billion, two hundred thirty-six million, nine hundred sixty-nine thousand, nine hundred seventy-nine".