101099175649 has 2 divisors, whose sum is σ = 101099175650. Its totient is φ = 101099175648.

The previous prime is 101099175641. The next prime is 101099175781. The reversal of 101099175649 is 946571990101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101087751249 + 11424400 = 317943^2 + 3380^2 .

It is a cyclic number.

It is not a de Polignac number, because 101099175649 - 2³ = 101099175641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101099175596 and 101099175605.

It is not a weakly prime, because it can be changed into another prime (101099175641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50549587824 + 50549587825.

It is an arithmetic number, because the mean of its divisors is an integer number (50549587825).

Almost surely, 2^101099175649 is an apocalyptic number.

It is an amenable number.

101099175649 is a deficient number, since it is larger than the sum of its proper divisors (1).

101099175649 is an equidigital number, since it uses as much as digits as its factorization.

101099175649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 612360, while the sum is 52.

The spelling of 101099175649 in words is "one hundred one billion, ninety-nine million, one hundred seventy-five thousand, six hundred forty-nine".