2779496965 has 16 divisors (see below), whose sum is σ = 3816127872. Its totient is φ = 1903817664.

The previous prime is 2779496953. The next prime is 2779496989. The reversal of 2779496965 is 5696949772.

It is not a de Polignac number, because 2779496965 - 2²¹ = 2777399813 is a prime.

It is a super-2 number, since 2×2779496965² = 15451206756888422450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2779496897 and 2779496906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12034 + ... + 75523.

It is an arithmetic number, because the mean of its divisors is an integer number (238507992).

Almost surely, 2^2779496965 is an apocalyptic number.

It is an amenable number.

2779496965 is a deficient number, since it is larger than the sum of its proper divisors (1036630907).

2779496965 is an equidigital number, since it uses as much as digits as its factorization.

2779496965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88476.

The product of its digits is 51438240, while the sum is 64.

The square root of 2779496965 is about 52720.9347887535. The cubic root of 2779496965 is about 1406.0110527605.

The spelling of 2779496965 in words is "two billion, seven hundred seventy-nine million, four hundred ninety-six thousand, nine hundred sixty-five".