1263720413416 has 32 divisors (see below), whose sum is σ = 2433660283080. Its totient is φ = 614746368000.

The previous prime is 1263720413383. The next prime is 1263720413443. The reversal of 1263720413416 is 6143140273621.

It can be written as a sum of positive squares in 4 ways, for example, as 1260926868100 + 2793545316 = 1122910^2 + 52854^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5246016 + ... + 5481616.

Almost surely, 2^{1263720413416} is an apocalyptic number.

It is an amenable number.

1263720413416 is a deficient number, since it is larger than the sum of its proper divisors (1169939869664).

1263720413416 is a wasteful number, since it uses less digits than its factorization.

1263720413416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253765 (or 253761 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 1263720413416 in words is "one trillion, two hundred sixty-three billion, seven hundred twenty million, four hundred thirteen thousand, four hundred sixteen".