42448177101493 has 2 divisors, whose sum is σ = 42448177101494. Its totient is φ = 42448177101492.

The previous prime is 42448177101431. The next prime is 42448177101521. The reversal of 42448177101493 is 39410177184424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42360858624484 + 87318477009 = 6508522^2 + 295497^2 .

It is a cyclic number.

It is not a de Polignac number, because 42448177101493 - 2²¹ = 42448175004341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42448177101193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21224088550746 + 21224088550747.

It is an arithmetic number, because the mean of its divisors is an integer number (21224088550747).

Almost surely, 2^{42448177101493} is an apocalyptic number.

It is an amenable number.

42448177101493 is a deficient number, since it is larger than the sum of its proper divisors (1).

42448177101493 is an equidigital number, since it uses as much as digits as its factorization.

42448177101493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5419008, while the sum is 55.

The spelling of 42448177101493 in words is "forty-two trillion, four hundred forty-eight billion, one hundred seventy-seven million, one hundred one thousand, four hundred ninety-three".