42205001437 has 2 divisors, whose sum is σ = 42205001438. Its totient is φ = 42205001436.

The previous prime is 42205001383. The next prime is 42205001459. The reversal of 42205001437 is 73410050224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41426089156 + 778912281 = 203534^2 + 27909^2 .

It is a cyclic number.

It is not a de Polignac number, because 42205001437 - 2¹⁵ = 42204968669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42205001477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21102500718 + 21102500719.

It is an arithmetic number, because the mean of its divisors is an integer number (21102500719).

Almost surely, 2^42205001437 is an apocalyptic number.

It is an amenable number.

42205001437 is a deficient number, since it is larger than the sum of its proper divisors (1).

42205001437 is an equidigital number, since it uses as much as digits as its factorization.

42205001437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 28.

The spelling of 42205001437 in words is "forty-two billion, two hundred five million, one thousand, four hundred thirty-seven".