32623149869 has 2 divisors, whose sum is σ = 32623149870. Its totient is φ = 32623149868.

The previous prime is 32623149851. The next prime is 32623149907. The reversal of 32623149869 is 96894132623.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31842618025 + 780531844 = 178445^2 + 27938^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32623149869 is a prime.

It is a super-2 number, since 2×32623149869² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32623149869.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32623149569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16311574934 + 16311574935.

It is an arithmetic number, because the mean of its divisors is an integer number (16311574935).

Almost surely, 2^32623149869 is an apocalyptic number.

It is an amenable number.

32623149869 is a deficient number, since it is larger than the sum of its proper divisors (1).

32623149869 is an equidigital number, since it uses as much as digits as its factorization.

32623149869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3359232, while the sum is 53.

The spelling of 32623149869 in words is "thirty-two billion, six hundred twenty-three million, one hundred forty-nine thousand, eight hundred sixty-nine".