2545360646 has 8 divisors (see below), whose sum is σ = 3839135664. Its totient is φ = 1265648760.

The previous prime is 2545360613. The next prime is 2545360651. The reversal of 2545360646 is 6460635452.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3515330 + ... + 3516053.

It is an arithmetic number, because the mean of its divisors is an integer number (479891958).

Almost surely, 2^2545360646 is an apocalyptic number.

2545360646 is a deficient number, since it is larger than the sum of its proper divisors (1293775018).

2545360646 is a wasteful number, since it uses less digits than its factorization.

2545360646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7031566.

The product of its (nonzero) digits is 518400, while the sum is 41.

The square root of 2545360646 is about 50451.5673294696. The cubic root of 2545360646 is about 1365.3681727235.

The spelling of 2545360646 in words is "two billion, five hundred forty-five million, three hundred sixty thousand, six hundred forty-six".