2551968046 has 4 divisors (see below), whose sum is σ = 3827952072. Its totient is φ = 1275984022.

The previous prime is 2551968011. The next prime is 2551968077. The reversal of 2551968046 is 6408691552.

2551968046 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 2551967987 and 2551968005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 637992010 + ... + 637992013.

It is an arithmetic number, because the mean of its divisors is an integer number (956988018).

Almost surely, 2^2551968046 is an apocalyptic number.

2551968046 is a deficient number, since it is larger than the sum of its proper divisors (1275984026).

2551968046 is a wasteful number, since it uses less digits than its factorization.

2551968046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275984025.

The product of its (nonzero) digits is 518400, while the sum is 46.

The square root of 2551968046 is about 50517.0074925267. The cubic root of 2551968046 is about 1366.5485868106.

The spelling of 2551968046 in words is "two billion, five hundred fifty-one million, nine hundred sixty-eight thousand, forty-six".