2779752550465 has 8 divisors (see below), whose sum is σ = 3638948793408. Its totient is φ = 2021638218480.

The previous prime is 2779752550427. The next prime is 2779752550499. The reversal of 2779752550465 is 5640552579772.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2779752550465 - 2³⁹ = 2229996736577 is a prime.

It is a super-3 number, since 3×2779752550465³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2779752550397 and 2779752550406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25270477677 + ... + 25270477786.

It is an arithmetic number, because the mean of its divisors is an integer number (454868599176).

Almost surely, 2^{2779752550465} is an apocalyptic number.

It is an amenable number.

2779752550465 is a deficient number, since it is larger than the sum of its proper divisors (859196242943).

2779752550465 is a wasteful number, since it uses less digits than its factorization.

2779752550465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50540955479.

The product of its (nonzero) digits is 185220000, while the sum is 64.

The spelling of 2779752550465 in words is "two trillion, seven hundred seventy-nine billion, seven hundred fifty-two million, five hundred fifty thousand, four hundred sixty-five".