42448177101449 has 6 divisors (see below), whose sum is σ = 49378491730314. Its totient is φ = 36384151801200.

The previous prime is 42448177101431. The next prime is 42448177101493. The reversal of 42448177101449 is 94410177184424.

It can be written as a sum of positive squares in only one way, i.e., 41475403219600 + 972773881849 = 6440140^2 + 986293^2 .

It is not a de Polignac number, because 42448177101449 - 2⁸ = 42448177101193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42448177101394 and 42448177101403.

It is not an unprimeable number, because it can be changed into a prime (42448177101409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 433144664252 + ... + 433144664349.

It is an arithmetic number, because the mean of its divisors is an integer number (8229748621719).

Almost surely, 2^{42448177101449} is an apocalyptic number.

42448177101449 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

42448177101449 is a deficient number, since it is larger than the sum of its proper divisors (6930314628865).

42448177101449 is an equidigital number, since it uses as much as digits as its factorization.

42448177101449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866289328615 (or 866289328608 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 56.

The spelling of 42448177101449 in words is "forty-two trillion, four hundred forty-eight billion, one hundred seventy-seven million, one hundred one thousand, four hundred forty-nine".