2654784457 has 4 divisors (see below), whose sum is σ = 2858998660. Its totient is φ = 2450570256.

The previous prime is 2654784409. The next prime is 2654784523. The reversal of 2654784457 is 7544874562.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 955366281 + 1699418176 = 30909^2 + 41224^2 .

It is a cyclic number.

It is not a de Polignac number, because 2654784457 - 2³¹ = 507300809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2654784757) 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, 102107082 + ... + 102107107.

It is an arithmetic number, because the mean of its divisors is an integer number (714749665).

Almost surely, 2^2654784457 is an apocalyptic number.

It is an amenable number.

2654784457 is a deficient number, since it is larger than the sum of its proper divisors (204214203).

2654784457 is a wasteful number, since it uses less digits than its factorization.

2654784457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204214202.

The product of its digits is 7526400, while the sum is 52.

The square root of 2654784457 is about 51524.6005030607. The cubic root of 2654784457 is about 1384.6598159238.

The spelling of 2654784457 in words is "two billion, six hundred fifty-four million, seven hundred eighty-four thousand, four hundred fifty-seven".