72486697093 has 2 divisors, whose sum is σ = 72486697094. Its totient is φ = 72486697092.

The previous prime is 72486697051. The next prime is 72486697109. The reversal of 72486697093 is 39079668427.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37807691364 + 34679005729 = 194442^2 + 186223^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72486697093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72486697043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36243348546 + 36243348547.

It is an arithmetic number, because the mean of its divisors is an integer number (36243348547).

Almost surely, 2^72486697093 is an apocalyptic number.

It is an amenable number.

72486697093 is a deficient number, since it is larger than the sum of its proper divisors (1).

72486697093 is an equidigital number, since it uses as much as digits as its factorization.

72486697093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27433728, while the sum is 61.

The spelling of 72486697093 in words is "seventy-two billion, four hundred eighty-six million, six hundred ninety-seven thousand, ninety-three".