42242201437 has 2 divisors, whose sum is σ = 42242201438. Its totient is φ = 42242201436.

The previous prime is 42242201381. The next prime is 42242201479. The reversal of 42242201437 is 73410224224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28013051641 + 14229149796 = 167371^2 + 119286^2 .

It is a cyclic number.

It is not a de Polignac number, because 42242201437 - 2¹⁵ = 42242168669 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42242201399 and 42242201408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42242261437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21121100718 + 21121100719.

It is an arithmetic number, because the mean of its divisors is an integer number (21121100719).

Almost surely, 2^42242201437 is an apocalyptic number.

It is an amenable number.

42242201437 is a deficient number, since it is larger than the sum of its proper divisors (1).

42242201437 is an equidigital number, since it uses as much as digits as its factorization.

42242201437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 31.

The spelling of 42242201437 in words is "forty-two billion, two hundred forty-two million, two hundred one thousand, four hundred thirty-seven".