100420104049 has 2 divisors, whose sum is σ = 100420104050. Its totient is φ = 100420104048.

The previous prime is 100420104019. The next prime is 100420104121. The reversal of 100420104049 is 940401024001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80958459024 + 19461645025 = 284532^2 + 139505^2 .

It is a cyclic number.

It is not a de Polignac number, because 100420104049 - 2²³ = 100411715441 is a prime.

It is not a weakly prime, because it can be changed into another prime (100420104019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50210052024 + 50210052025.

It is an arithmetic number, because the mean of its divisors is an integer number (50210052025).

Almost surely, 2^100420104049 is an apocalyptic number.

It is an amenable number.

100420104049 is a deficient number, since it is larger than the sum of its proper divisors (1).

100420104049 is an equidigital number, since it uses as much as digits as its factorization.

100420104049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 100420104049 in words is "one hundred billion, four hundred twenty million, one hundred four thousand, forty-nine".