72726551999963 has 2 divisors, whose sum is σ = 72726551999964. Its totient is φ = 72726551999962.

The previous prime is 72726551999957. The next prime is 72726552000001. The reversal of 72726551999963 is 36999915562727.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72726551999963 - 2³⁴ = 72709372130779 is a prime.

It is not a weakly prime, because it can be changed into another prime (72726551999363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36363275999981 + 36363275999982.

It is an arithmetic number, because the mean of its divisors is an integer number (36363275999982).

Almost surely, 2^{72726551999963} is an apocalyptic number.

72726551999963 is a deficient number, since it is larger than the sum of its proper divisors (1).

72726551999963 is an equidigital number, since it uses as much as digits as its factorization.

72726551999963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3472081200, while the sum is 80.

The spelling of 72726551999963 in words is "seventy-two trillion, seven hundred twenty-six billion, five hundred fifty-one million, nine hundred ninety-nine thousand, nine hundred sixty-three".