2516953816889 has 8 divisors (see below), whose sum is σ = 2575820427840. Its totient is φ = 2458737666000.

The previous prime is 2516953816873. The next prime is 2516953816903. The reversal of 2516953816889 is 9886183596152.

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

It is a cyclic number.

It is not a de Polignac number, because 2516953816889 - 2⁴ = 2516953816873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (71).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2516953836889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162607187 + ... + 162622664.

It is an arithmetic number, because the mean of its divisors is an integer number (321977553480).

Almost surely, 2^{2516953816889} is an apocalyptic number.

It is an amenable number.

2516953816889 is a deficient number, since it is larger than the sum of its proper divisors (58866610951).

2516953816889 is a wasteful number, since it uses less digits than its factorization.

2516953816889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325230031.

The product of its digits is 223948800, while the sum is 71.

The spelling of 2516953816889 in words is "two trillion, five hundred sixteen billion, nine hundred fifty-three million, eight hundred sixteen thousand, eight hundred eighty-nine".