88149685213 has 2 divisors, whose sum is σ = 88149685214. Its totient is φ = 88149685212.

The previous prime is 88149685159. The next prime is 88149685219. The reversal of 88149685213 is 31258694188.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69665379364 + 18484305849 = 263942^2 + 135957^2 .

It is a cyclic number.

It is not a de Polignac number, because 88149685213 - 2²⁹ = 87612814301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88149685219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44074842606 + 44074842607.

It is an arithmetic number, because the mean of its divisors is an integer number (44074842607).

Almost surely, 2^88149685213 is an apocalyptic number.

It is an amenable number.

88149685213 is a deficient number, since it is larger than the sum of its proper divisors (1).

88149685213 is an equidigital number, since it uses as much as digits as its factorization.

88149685213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3317760, while the sum is 55.

The spelling of 88149685213 in words is "eighty-eight billion, one hundred forty-nine million, six hundred eighty-five thousand, two hundred thirteen".