263133763220650 has 48 divisors (see below), whose sum is σ = 559437377805504. Its totient is φ = 90202745364480.

The previous prime is 263133763220621. The next prime is 263133763220687. The reversal of 263133763220650 is 56022367331362.

It is a super-2 number, since 2×263133763220650² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 263133763220594 and 263133763220603.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58429527 + ... + 62771626.

It is an arithmetic number, because the mean of its divisors is an integer number (11654945370948).

Almost surely, 2^{263133763220650} is an apocalyptic number.

263133763220650 is an abundant number, since it is smaller than the sum of its proper divisors (296303614584854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

263133763220650 is a wasteful number, since it uses less digits than its factorization.

263133763220650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121207375 (or 121207370 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 49.

The spelling of 263133763220650 in words is "two hundred sixty-three trillion, one hundred thirty-three billion, seven hundred sixty-three million, two hundred twenty thousand, six hundred fifty".