1276353454268 has 6 divisors (see below), whose sum is σ = 2233618544976. Its totient is φ = 638176727132.

The previous prime is 1276353454237. The next prime is 1276353454279. The reversal of 1276353454268 is 8624543536721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159544181780 + ... + 159544181787.

It is an arithmetic number, because the mean of its divisors is an integer number (372269757496).

Almost surely, 2^{1276353454268} is an apocalyptic number.

It is an amenable number.

1276353454268 is a deficient number, since it is larger than the sum of its proper divisors (957265090708).

1276353454268 is a wasteful number, since it uses less digits than its factorization.

1276353454268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319088363571 (or 319088363569 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 56.

The spelling of 1276353454268 in words is "one trillion, two hundred seventy-six billion, three hundred fifty-three million, four hundred fifty-four thousand, two hundred sixty-eight".