2654545919 has 4 divisors (see below), whose sum is σ = 2654899200. Its totient is φ = 2654192640.

The previous prime is 2654545889. The next prime is 2654545979. The reversal of 2654545919 is 9195454562.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2654545919 is a prime.

It is a super-2 number, since 2×2654545919² = 14093228072159109122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2654545979) 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, 165119 + ... + 180480.

It is an arithmetic number, because the mean of its divisors is an integer number (663724800).

Almost surely, 2^2654545919 is an apocalyptic number.

2654545919 is a deficient number, since it is larger than the sum of its proper divisors (353281).

2654545919 is an equidigital number, since it uses as much as digits as its factorization.

2654545919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353280.

The product of its digits is 1944000, while the sum is 50.

The square root of 2654545919 is about 51522.2856538799. The cubic root of 2654545919 is about 1384.6183431436.

The spelling of 2654545919 in words is "two billion, six hundred fifty-four million, five hundred forty-five thousand, nine hundred nineteen".