4764781979 has 2 divisors, whose sum is σ = 4764781980. Its totient is φ = 4764781978.

The previous prime is 4764781951. The next prime is 4764781993. The reversal of 4764781979 is 9791874674.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4764781979 is a prime.

It is not a weakly prime, because it can be changed into another prime (4764781999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2382390989 + 2382390990.

It is an arithmetic number, because the mean of its divisors is an integer number (2382390990).

Almost surely, 2^4764781979 is an apocalyptic number.

4764781979 is a deficient number, since it is larger than the sum of its proper divisors (1).

4764781979 is an equidigital number, since it uses as much as digits as its factorization.

4764781979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21337344, while the sum is 62.

The square root of 4764781979 is about 69027.4002045565. The cubic root of 4764781979 is about 1682.7296397815.

The spelling of 4764781979 in words is "four billion, seven hundred sixty-four million, seven hundred eighty-one thousand, nine hundred seventy-nine".