2651005965838 has 8 divisors (see below), whose sum is σ = 4113629947080. Its totient is φ = 1279795983480.

The previous prime is 2651005965823. The next prime is 2651005965847. The reversal of 2651005965838 is 8385695001562.

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 (58), and also a Moran number because the ratio is a prime number: 45706999411 = 2651005965838 / (2 + 6 + 5 + 1 + 0 + 0 + 5 + 9 + 6 + 5 + 8 + 3 + 8).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 22853499648 + ... + 22853499763.

It is an arithmetic number, because the mean of its divisors is an integer number (514203743385).

Almost surely, 2^{2651005965838} is an apocalyptic number.

2651005965838 is a deficient number, since it is larger than the sum of its proper divisors (1462623981242).

2651005965838 is a wasteful number, since it uses less digits than its factorization.

2651005965838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45706999442.

The product of its (nonzero) digits is 15552000, while the sum is 58.

The spelling of 2651005965838 in words is "two trillion, six hundred fifty-one billion, five million, nine hundred sixty-five thousand, eight hundred thirty-eight".