101010104449 has 2 divisors, whose sum is σ = 101010104450. Its totient is φ = 101010104448.

The previous prime is 101010104423. The next prime is 101010104527. The reversal of 101010104449 is 944401010101.

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., 101009552400 + 552049 = 317820^2 + 743^2 .

It is an emirp because it is prime and its reverse (944401010101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101010104449 - 2²¹ = 101008007297 is a prime.

It is not a weakly prime, because it can be changed into another prime (101010107449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50505052224 + 50505052225.

It is an arithmetic number, because the mean of its divisors is an integer number (50505052225).

Almost surely, 2^101010104449 is an apocalyptic number.

It is an amenable number.

101010104449 is a deficient number, since it is larger than the sum of its proper divisors (1).

101010104449 is an equidigital number, since it uses as much as digits as its factorization.

101010104449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 101010104449 in words is "one hundred one billion, ten million, one hundred four thousand, four hundred forty-nine".