99381360272 has 10 divisors (see below), whose sum is σ = 192551385558. Its totient is φ = 49690680128.

The previous prime is 99381360263. The next prime is 99381360277. The reversal of 99381360272 is 27206318399.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 90326695936 + 9054664336 = 300544^2 + 95156^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 99381360272.

It is not an unprimeable number, because it can be changed into a prime (99381360277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3105667493 + ... + 3105667524.

Almost surely, 2^99381360272 is an apocalyptic number.

It is an amenable number.

99381360272 is a deficient number, since it is larger than the sum of its proper divisors (93170025286).

99381360272 is a wasteful number, since it uses less digits than its factorization.

99381360272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6211335025 (or 6211335019 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 50.

The spelling of 99381360272 in words is "ninety-nine billion, three hundred eighty-one million, three hundred sixty thousand, two hundred seventy-two".