6257805540653 has 4 divisors (see below), whose sum is σ = 6263186286048. Its totient is φ = 6252424795260.

The previous prime is 6257805540647. The next prime is 6257805540667. The reversal of 6257805540653 is 3560455087526.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6257805540653 - 2²⁰ = 6257804492077 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 (6257805540953) 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, 2690370953 + ... + 2690373278.

It is an arithmetic number, because the mean of its divisors is an integer number (1565796571512).

Almost surely, 2^{6257805540653} is an apocalyptic number.

It is an amenable number.

6257805540653 is a deficient number, since it is larger than the sum of its proper divisors (5380745395).

6257805540653 is a wasteful number, since it uses less digits than its factorization.

6257805540653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5380745394.

The product of its (nonzero) digits is 30240000, while the sum is 56.

The spelling of 6257805540653 in words is "six trillion, two hundred fifty-seven billion, eight hundred five million, five hundred forty thousand, six hundred fifty-three".