101994038953 has 2 divisors, whose sum is σ = 101994038954. Its totient is φ = 101994038952.

The previous prime is 101994038921. The next prime is 101994038957. The reversal of 101994038953 is 359830499101.

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., 54451289104 + 47542749849 = 233348^2 + 218043^2 .

It is a cyclic number.

It is not a de Polignac number, because 101994038953 - 2⁵ = 101994038921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101994038953.

It is not a weakly prime, because it can be changed into another prime (101994038957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50997019476 + 50997019477.

It is an arithmetic number, because the mean of its divisors is an integer number (50997019477).

Almost surely, 2^101994038953 is an apocalyptic number.

It is an amenable number.

101994038953 is a deficient number, since it is larger than the sum of its proper divisors (1).

101994038953 is an equidigital number, since it uses as much as digits as its factorization.

101994038953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1049760, while the sum is 52.

The spelling of 101994038953 in words is "one hundred one billion, nine hundred ninety-four million, thirty-eight thousand, nine hundred fifty-three".