2379679549669 has 2 divisors, whose sum is σ = 2379679549670. Its totient is φ = 2379679549668.

The previous prime is 2379679549633. The next prime is 2379679549739. The reversal of 2379679549669 is 9669459769732.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2369327504644 + 10352045025 = 1539262^2 + 101745^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2379679549669 is a prime.

It is a super-2 number, since 2×2379679549669² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2379679549592 and 2379679549601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2379679549069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1189839774834 + 1189839774835.

It is an arithmetic number, because the mean of its divisors is an integer number (1189839774835).

Almost surely, 2^{2379679549669} is an apocalyptic number.

It is an amenable number.

2379679549669 is a deficient number, since it is larger than the sum of its proper divisors (1).

2379679549669 is an equidigital number, since it uses as much as digits as its factorization.

2379679549669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8332994880, while the sum is 82.

The spelling of 2379679549669 in words is "two trillion, three hundred seventy-nine billion, six hundred seventy-nine million, five hundred forty-nine thousand, six hundred sixty-nine".