72587396813189 has 2 divisors, whose sum is σ = 72587396813190. Its totient is φ = 72587396813188.

The previous prime is 72587396813147. The next prime is 72587396813233. The reversal of 72587396813189 is 98131869378527.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65752361741089 + 6835035072100 = 8108783^2 + 2614390^2 .

It is a cyclic number.

It is not a de Polignac number, because 72587396813189 - 2¹² = 72587396809093 is a prime.

It is a super-2 number, since 2×72587396813189² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72587396813089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36293698406594 + 36293698406595.

It is an arithmetic number, because the mean of its divisors is an integer number (36293698406595).

Almost surely, 2^{72587396813189} is an apocalyptic number.

It is an amenable number.

72587396813189 is a deficient number, since it is larger than the sum of its proper divisors (1).

72587396813189 is an equidigital number, since it uses as much as digits as its factorization.

72587396813189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1097349120, while the sum is 77.

The spelling of 72587396813189 in words is "seventy-two trillion, five hundred eighty-seven billion, three hundred ninety-six million, eight hundred thirteen thousand, one hundred eighty-nine".