2745897413 has 4 divisors (see below), whose sum is σ = 3138168480. Its totient is φ = 2353626348.

The previous prime is 2745897377. The next prime is 2745897457. The reversal of 2745897413 is 3147985472.

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 2745897413 - 2²⁸ = 2477461957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2745897313) 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, 196135523 + ... + 196135536.

It is an arithmetic number, because the mean of its divisors is an integer number (784542120).

Almost surely, 2^2745897413 is an apocalyptic number.

It is an amenable number.

2745897413 is a deficient number, since it is larger than the sum of its proper divisors (392271067).

2745897413 is an equidigital number, since it uses as much as digits as its factorization.

2745897413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392271066.

The product of its digits is 1693440, while the sum is 50.

The square root of 2745897413 is about 52401.3111763437. The cubic root of 2745897413 is about 1400.3226149369.

The spelling of 2745897413 in words is "two billion, seven hundred forty-five million, eight hundred ninety-seven thousand, four hundred thirteen".