2257720032063 has 16 divisors (see below), whose sum is σ = 3067194198240. Its totient is φ = 1476698181504.

The previous prime is 2257720032017. The next prime is 2257720032077. The reversal of 2257720032063 is 3602300277522.

It is a happy number.

It is not a de Polignac number, because 2257720032063 - 2⁶ = 2257720031999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257720032863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4861653 + ... + 5305761.

It is an arithmetic number, because the mean of its divisors is an integer number (191699637390).

Almost surely, 2^{2257720032063} is an apocalyptic number.

2257720032063 is a deficient number, since it is larger than the sum of its proper divisors (809474166177).

2257720032063 is a wasteful number, since it uses less digits than its factorization.

2257720032063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476138.

The product of its (nonzero) digits is 211680, while the sum is 39.

The spelling of 2257720032063 in words is "two trillion, two hundred fifty-seven billion, seven hundred twenty million, thirty-two thousand, sixty-three".