2553642578983 has 4 divisors (see below), whose sum is σ = 2582335192320. Its totient is φ = 2524949965648.

The previous prime is 2553642578969. The next prime is 2553642579023. The reversal of 2553642578983 is 3898752463552.

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 2553642578983 - 2⁵ = 2553642578951 is a prime.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2553642575983) 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, 14346306535 + ... + 14346306712.

It is an arithmetic number, because the mean of its divisors is an integer number (645583798080).

Almost surely, 2^{2553642578983} is an apocalyptic number.

2553642578983 is a deficient number, since it is larger than the sum of its proper divisors (28692613337).

2553642578983 is an equidigital number, since it uses as much as digits as its factorization.

2553642578983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28692613336.

The product of its digits is 435456000, while the sum is 67.

The spelling of 2553642578983 in words is "two trillion, five hundred fifty-three billion, six hundred forty-two million, five hundred seventy-eight thousand, nine hundred eighty-three".