4775697972979 has 2 divisors, whose sum is σ = 4775697972980. Its totient is φ = 4775697972978.

The previous prime is 4775697972977. The next prime is 4775697972989. The reversal of 4775697972979 is 9792797965774.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4775697972979 - 2¹ = 4775697972977 is a prime.

It is a super-2 number, since 2×4775697972979² (a number of 26 digits) contains 22 as substring.

Together with 4775697972977, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 4775697972979.

It is not a weakly prime, because it can be changed into another prime (4775697972977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2387848986489 + 2387848986490.

It is an arithmetic number, because the mean of its divisors is an integer number (2387848986490).

Almost surely, 2^{4775697972979} is an apocalyptic number.

4775697972979 is a deficient number, since it is larger than the sum of its proper divisors (1).

4775697972979 is an equidigital number, since it uses as much as digits as its factorization.

4775697972979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26464974480, while the sum is 88.

It can be divided in two parts, 477569 and 7972979, that added together give a palindrome (8450548).

The spelling of 4775697972979 in words is "four trillion, seven hundred seventy-five billion, six hundred ninety-seven million, nine hundred seventy-two thousand, nine hundred seventy-nine".