42448177101431 has 2 divisors, whose sum is σ = 42448177101432. Its totient is φ = 42448177101430.

The previous prime is 42448177101409. The next prime is 42448177101493. The reversal of 42448177101431 is 13410177184424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42448177101431 - 2²⁶ = 42448109992567 is a prime.

It is a super-2 number, since 2×42448177101431² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42448177101401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21224088550715 + 21224088550716.

It is an arithmetic number, because the mean of its divisors is an integer number (21224088550716).

Almost surely, 2^{42448177101431} is an apocalyptic number.

42448177101431 is a deficient number, since it is larger than the sum of its proper divisors (1).

42448177101431 is an equidigital number, since it uses as much as digits as its factorization.

42448177101431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 602112, while the sum is 47.

The spelling of 42448177101431 in words is "forty-two trillion, four hundred forty-eight billion, one hundred seventy-seven million, one hundred one thousand, four hundred thirty-one".