2551652878333 has 4 divisors (see below), whose sum is σ = 2747933868988. Its totient is φ = 2355371887680.

The previous prime is 2551652878321. The next prime is 2551652878367. The reversal of 2551652878333 is 3338782561552.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1514762793049 + 1036890085284 = 1230757^2 + 1018278^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2551652878333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551652878933) 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, 98140495308 + ... + 98140495333.

It is an arithmetic number, because the mean of its divisors is an integer number (686983467247).

Almost surely, 2^{2551652878333} is an apocalyptic number.

It is an amenable number.

2551652878333 is a deficient number, since it is larger than the sum of its proper divisors (196280990655).

2551652878333 is a wasteful number, since it uses less digits than its factorization.

2551652878333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196280990654.

The product of its digits is 36288000, while the sum is 58.

The spelling of 2551652878333 in words is "two trillion, five hundred fifty-one billion, six hundred fifty-two million, eight hundred seventy-eight thousand, three hundred thirty-three".