42202204493 has 2 divisors, whose sum is σ = 42202204494. Its totient is φ = 42202204492.

The previous prime is 42202204427. The next prime is 42202204507. The reversal of 42202204493 is 39440220224.

42202204493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22170614404 + 20031590089 = 148898^2 + 141533^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42202204493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42802204493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21101102246 + 21101102247.

It is an arithmetic number, because the mean of its divisors is an integer number (21101102247).

Almost surely, 2^42202204493 is an apocalyptic number.

It is an amenable number.

42202204493 is a deficient number, since it is larger than the sum of its proper divisors (1).

42202204493 is an equidigital number, since it uses as much as digits as its factorization.

42202204493 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 32.

The spelling of 42202204493 in words is "forty-two billion, two hundred two million, two hundred four thousand, four hundred ninety-three".