130442121449 has 2 divisors, whose sum is σ = 130442121450. Its totient is φ = 130442121448.

The previous prime is 130442121421. The next prime is 130442121457. The reversal of 130442121449 is 944121244031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109473633424 + 20968488025 = 330868^2 + 144805^2 .

It is a cyclic number.

It is not a de Polignac number, because 130442121449 - 2³² = 126147154153 is a prime.

It is not a weakly prime, because it can be changed into another prime (130442141449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65221060724 + 65221060725.

It is an arithmetic number, because the mean of its divisors is an integer number (65221060725).

Almost surely, 2^130442121449 is an apocalyptic number.

It is an amenable number.

130442121449 is a deficient number, since it is larger than the sum of its proper divisors (1).

130442121449 is an equidigital number, since it uses as much as digits as its factorization.

130442121449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 130442121449 in words is "one hundred thirty billion, four hundred forty-two million, one hundred twenty-one thousand, four hundred forty-nine".