2554919917 has 8 divisors (see below), whose sum is σ = 2792541312. Its totient is φ = 2318191200.

The previous prime is 2554919891. The next prime is 2554919947. The reversal of 2554919917 is 7199194552.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2554919917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2554919947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217173 + ... + 228634.

It is an arithmetic number, because the mean of its divisors is an integer number (349067664).

Almost surely, 2^2554919917 is an apocalyptic number.

It is an amenable number.

2554919917 is a deficient number, since it is larger than the sum of its proper divisors (237621395).

2554919917 is a wasteful number, since it uses less digits than its factorization.

2554919917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446339.

The product of its digits is 1020600, while the sum is 52.

The square root of 2554919917 is about 50546.2156545868. The cubic root of 2554919917 is about 1367.0752810764.

The spelling of 2554919917 in words is "two billion, five hundred fifty-four million, nine hundred nineteen thousand, nine hundred seventeen".