2651044078847 has 4 divisors (see below), whose sum is σ = 2651191026120. Its totient is φ = 2650897131576.

The previous prime is 2651044078843. The next prime is 2651044078873. The reversal of 2651044078847 is 7488704401562.

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

It is a cyclic number.

It is not a de Polignac number, because 2651044078847 - 2² = 2651044078843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2651044078792 and 2651044078801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2651044078841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73446572 + ... + 73482657.

It is an arithmetic number, because the mean of its divisors is an integer number (662797756530).

Almost surely, 2^{2651044078847} is an apocalyptic number.

2651044078847 is a deficient number, since it is larger than the sum of its proper divisors (146947273).

2651044078847 is a wasteful number, since it uses less digits than its factorization.

2651044078847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146947272.

The product of its (nonzero) digits is 12042240, while the sum is 56.

The spelling of 2651044078847 in words is "two trillion, six hundred fifty-one billion, forty-four million, seventy-eight thousand, eight hundred forty-seven".