1268895068964 has 18 divisors (see below), whose sum is σ = 3207484757750. Its totient is φ = 422965022976.

The previous prime is 1268895068957. The next prime is 1268895068977. The reversal of 1268895068964 is 4698605988621.

1268895068964 is a `hidden beast` number, since 1 + 26 + 8 + 8 + 9 + 506 + 8 + 96 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1237634000100 + 31261068864 = 1112490^2 + 176808^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-3 number, since 3×1268895068964³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1268895068892 and 1268895068901.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17623542589 + ... + 17623542660.

Almost surely, 2^{1268895068964} is an apocalyptic number.

It is an amenable number.

1268895068964 is an abundant number, since it is smaller than the sum of its proper divisors (1938589688786).

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

1268895068964 is a wasteful number, since it uses less digits than its factorization.

1268895068964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35247085259 (or 35247085254 counting only the distinct ones).

The product of its (nonzero) digits is 358318080, while the sum is 72.

The spelling of 1268895068964 in words is "one trillion, two hundred sixty-eight billion, eight hundred ninety-five million, sixty-eight thousand, nine hundred sixty-four".