99575132149 has 2 divisors, whose sum is σ = 99575132150. Its totient is φ = 99575132148.

The previous prime is 99575132143. The next prime is 99575132171. The reversal of 99575132149 is 94123157599.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99054972900 + 520159249 = 314730^2 + 22807^2 .

It is a cyclic number.

It is not a de Polignac number, because 99575132149 - 2³ = 99575132141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99575132149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99575132141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49787566074 + 49787566075.

It is an arithmetic number, because the mean of its divisors is an integer number (49787566075).

Almost surely, 2^99575132149 is an apocalyptic number.

It is an amenable number.

99575132149 is a deficient number, since it is larger than the sum of its proper divisors (1).

99575132149 is an equidigital number, since it uses as much as digits as its factorization.

99575132149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3061800, while the sum is 55.

The spelling of 99575132149 in words is "ninety-nine billion, five hundred seventy-five million, one hundred thirty-two thousand, one hundred forty-nine".