72202386869 has 2 divisors, whose sum is σ = 72202386870. Its totient is φ = 72202386868.

The previous prime is 72202386829. The next prime is 72202386887. The reversal of 72202386869 is 96868320227.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56911827844 + 15290559025 = 238562^2 + 123655^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72202386869 is a prime.

It is a super-2 number, since 2×72202386869² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 72202386869.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72202386829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36101193434 + 36101193435.

It is an arithmetic number, because the mean of its divisors is an integer number (36101193435).

Almost surely, 2^72202386869 is an apocalyptic number.

It is an amenable number.

72202386869 is a deficient number, since it is larger than the sum of its proper divisors (1).

72202386869 is an equidigital number, since it uses as much as digits as its factorization.

72202386869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 72202386869 in words is "seventy-two billion, two hundred two million, three hundred eighty-six thousand, eight hundred sixty-nine".