263911022948 has 6 divisors (see below), whose sum is σ = 461844290166. Its totient is φ = 131955511472.

The previous prime is 263911022933. The next prime is 263911022959. The reversal of 263911022948 is 849220119362.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 249168692224 + 14742330724 = 499168^2 + 121418^2 .

It is a super-2 number, since 2×263911022948² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32988877865 + ... + 32988877872.

It is an arithmetic number, because the mean of its divisors is an integer number (76974048361).

Almost surely, 2^263911022948 is an apocalyptic number.

It is an amenable number.

263911022948 is a deficient number, since it is larger than the sum of its proper divisors (197933267218).

263911022948 is a wasteful number, since it uses less digits than its factorization.

263911022948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65977755741 (or 65977755739 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 47.

The spelling of 263911022948 in words is "two hundred sixty-three billion, nine hundred eleven million, twenty-two thousand, nine hundred forty-eight".