100099738957 has 2 divisors, whose sum is σ = 100099738958. Its totient is φ = 100099738956.

The previous prime is 100099738939. The next prime is 100099738979. The reversal of 100099738957 is 759837990001.

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., 97372706116 + 2727032841 = 312046^2 + 52221^2 .

It is a cyclic number.

It is not a de Polignac number, because 100099738957 - 2¹⁹ = 100099214669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100099798957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50049869478 + 50049869479.

It is an arithmetic number, because the mean of its divisors is an integer number (50049869479).

Almost surely, 2^100099738957 is an apocalyptic number.

It is an amenable number.

100099738957 is a deficient number, since it is larger than the sum of its proper divisors (1).

100099738957 is an equidigital number, since it uses as much as digits as its factorization.

100099738957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4286520, while the sum is 58.

It can be divided in two parts, 100099 and 738957, that added together give a square (839056 = 916²).

The spelling of 100099738957 in words is "one hundred billion, ninety-nine million, seven hundred thirty-eight thousand, nine hundred fifty-seven".