100461637866869 has 2 divisors, whose sum is σ = 100461637866870. Its totient is φ = 100461637866868.

The previous prime is 100461637866809. The next prime is 100461637866901. The reversal of 100461637866869 is 968668736164001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98236603227844 + 2225034639025 = 9911438^2 + 1491655^2 .

It is a cyclic number.

It is not a de Polignac number, because 100461637866869 - 2⁸ = 100461637866613 is a prime.

It is a super-2 number, since 2×100461637866869² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100461637866809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50230818933434 + 50230818933435.

It is an arithmetic number, because the mean of its divisors is an integer number (50230818933435).

Almost surely, 2^{100461637866869} is an apocalyptic number.

It is an amenable number.

100461637866869 is a deficient number, since it is larger than the sum of its proper divisors (1).

100461637866869 is an equidigital number, since it uses as much as digits as its factorization.

100461637866869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 376233984, while the sum is 71.

The spelling of 100461637866869 in words is "one hundred trillion, four hundred sixty-one billion, six hundred thirty-seven million, eight hundred sixty-six thousand, eight hundred sixty-nine".