72663036651043 has 2 divisors, whose sum is σ = 72663036651044. Its totient is φ = 72663036651042.

The previous prime is 72663036650957. The next prime is 72663036651053. The reversal of 72663036651043 is 34015663036627.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72663036651043 is a prime.

It is not a weakly prime, because it can be changed into another prime (72663036651053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36331518325521 + 36331518325522.

It is an arithmetic number, because the mean of its divisors is an integer number (36331518325522).

Almost surely, 2^{72663036651043} is an apocalyptic number.

72663036651043 is a deficient number, since it is larger than the sum of its proper divisors (1).

72663036651043 is an equidigital number, since it uses as much as digits as its factorization.

72663036651043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9797760, while the sum is 52.

The spelling of 72663036651043 in words is "seventy-two trillion, six hundred sixty-three billion, thirty-six million, six hundred fifty-one thousand, forty-three".