2545616494 has 8 divisors (see below), whose sum is σ = 3984443280. Its totient is φ = 1217468736.

The previous prime is 2545616473. The next prime is 2545616501. The reversal of 2545616494 is 4946165452.

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

It is a Harshad number since it is a multiple of its sum of digits (46), and also a Moran number because the ratio is a prime number: 55339489 = 2545616494 / (2 + 5 + 4 + 5 + 6 + 1 + 6 + 4 + 9 + 4).

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, 27669699 + ... + 27669790.

It is an arithmetic number, because the mean of its divisors is an integer number (498055410).

Almost surely, 2^2545616494 is an apocalyptic number.

2545616494 is a deficient number, since it is larger than the sum of its proper divisors (1438826786).

2545616494 is a wasteful number, since it uses less digits than its factorization.

2545616494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55339514.

The product of its digits is 1036800, while the sum is 46.

The square root of 2545616494 is about 50454.1028460521. The cubic root of 2545616494 is about 1365.4139180436.

The spelling of 2545616494 in words is "two billion, five hundred forty-five million, six hundred sixteen thousand, four hundred ninety-four".