2784894504253 has 8 divisors (see below), whose sum is σ = 2897958808800. Its totient is φ = 2674025623248.

The previous prime is 2784894504233. The next prime is 2784894504269. The reversal of 2784894504253 is 3524054984872.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2784894504253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2784894504191 and 2784894504200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2784894504233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 548853298 + ... + 548858371.

It is an arithmetic number, because the mean of its divisors is an integer number (362244851100).

Almost surely, 2^{2784894504253} is an apocalyptic number.

It is an amenable number.

2784894504253 is a deficient number, since it is larger than the sum of its proper divisors (113064304547).

2784894504253 is a wasteful number, since it uses less digits than its factorization.

2784894504253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097711771.

The product of its (nonzero) digits is 77414400, while the sum is 61.

The spelling of 2784894504253 in words is "two trillion, seven hundred eighty-four billion, eight hundred ninety-four million, five hundred four thousand, two hundred fifty-three".