99752572949 has 2 divisors, whose sum is σ = 99752572950. Its totient is φ = 99752572948.

The previous prime is 99752572939. The next prime is 99752572981. The reversal of 99752572949 is 94927525799.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70533798724 + 29218774225 = 265582^2 + 170935^2 .

It is a cyclic number.

It is not a de Polignac number, because 99752572949 - 2³² = 95457605653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99752572939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49876286474 + 49876286475.

It is an arithmetic number, because the mean of its divisors is an integer number (49876286475).

Almost surely, 2^99752572949 is an apocalyptic number.

It is an amenable number.

99752572949 is a deficient number, since it is larger than the sum of its proper divisors (1).

99752572949 is an equidigital number, since it uses as much as digits as its factorization.

99752572949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 128595600, while the sum is 68.

The spelling of 99752572949 in words is "ninety-nine billion, seven hundred fifty-two million, five hundred seventy-two thousand, nine hundred forty-nine".