2745591377 has 4 divisors (see below), whose sum is σ = 2746980720. Its totient is φ = 2744202036.

The previous prime is 2745591337. The next prime is 2745591413. The reversal of 2745591377 is 7731955472.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2745591377 - 2¹⁶ = 2745525841 is a prime.

It is a super-2 number, since 2×2745591377² = 15076544018913512258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2745591337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 691703 + ... + 695660.

It is an arithmetic number, because the mean of its divisors is an integer number (686745180).

Almost surely, 2^2745591377 is an apocalyptic number.

It is an amenable number.

2745591377 is a deficient number, since it is larger than the sum of its proper divisors (1389343).

2745591377 is a wasteful number, since it uses less digits than its factorization.

2745591377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389342.

The product of its digits is 1852200, while the sum is 50.

The square root of 2745591377 is about 52398.3909772046. The cubic root of 2745591377 is about 1400.2705900443.

The spelling of 2745591377 in words is "two billion, seven hundred forty-five million, five hundred ninety-one thousand, three hundred seventy-seven".