100312247237749 has 2 divisors, whose sum is σ = 100312247237750. Its totient is φ = 100312247237748.

The previous prime is 100312247237737. The next prime is 100312247237803. The reversal of 100312247237749 is 947732742213001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99116161604100 + 1196085633649 = 9955710^2 + 1093657^2 .

It is a cyclic number.

It is not a de Polignac number, because 100312247237749 - 2⁵ = 100312247237717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100312247237696 and 100312247237705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100312247237849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50156123618874 + 50156123618875.

It is an arithmetic number, because the mean of its divisors is an integer number (50156123618875).

Almost surely, 2^{100312247237749} is an apocalyptic number.

It is an amenable number.

100312247237749 is a deficient number, since it is larger than the sum of its proper divisors (1).

100312247237749 is an equidigital number, since it uses as much as digits as its factorization.

100312247237749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3556224, while the sum is 52.

The spelling of 100312247237749 in words is "one hundred trillion, three hundred twelve billion, two hundred forty-seven million, two hundred thirty-seven thousand, seven hundred forty-nine".