2979669769 has 2 divisors, whose sum is σ = 2979669770. Its totient is φ = 2979669768.

The previous prime is 2979669751. The next prime is 2979669827. The reversal of 2979669769 is 9679669792.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2666379769 + 313290000 = 51637^2 + 17700^2 .

It is a cyclic number.

It is not a de Polignac number, because 2979669769 - 2¹⁷ = 2979538697 is a prime.

It is a super-2 number, since 2×2979669769² = 17756863864585026722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2979669698 and 2979669707.

It is not a weakly prime, because it can be changed into another prime (2979669269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1489834884 + 1489834885.

It is an arithmetic number, because the mean of its divisors is an integer number (1489834885).

Almost surely, 2^2979669769 is an apocalyptic number.

It is an amenable number.

2979669769 is a deficient number, since it is larger than the sum of its proper divisors (1).

2979669769 is an equidigital number, since it uses as much as digits as its factorization.

2979669769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138883248, while the sum is 70.

The square root of 2979669769 is about 54586.3514900932. The cubic root of 2979669769 is about 1438.9842645679.

The spelling of 2979669769 in words is "two billion, nine hundred seventy-nine million, six hundred sixty-nine thousand, seven hundred sixty-nine".