663250670253 has 32 divisors (see below), whose sum is σ = 1046205590400. Its totient is φ = 413832331008.

The previous prime is 663250670233. The next prime is 663250670261. The reversal of 663250670253 is 352076052366.

663250670253 is a `hidden beast` number, since 6 + 6 + 325 + 0 + 6 + 70 + 253 = 666.

It is not a de Polignac number, because 663250670253 - 2¹⁰ = 663250669229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 663250670199 and 663250670208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663250670233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3954126 + ... + 4118447.

It is an arithmetic number, because the mean of its divisors is an integer number (32693924700).

Almost surely, 2^663250670253 is an apocalyptic number.

It is an amenable number.

663250670253 is a deficient number, since it is larger than the sum of its proper divisors (382954920147).

663250670253 is a wasteful number, since it uses less digits than its factorization.

663250670253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8072778 (or 8072772 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 45.

The spelling of 663250670253 in words is "six hundred sixty-three billion, two hundred fifty million, six hundred seventy thousand, two hundred fifty-three".