42021102337 has 2 divisors, whose sum is σ = 42021102338. Its totient is φ = 42021102336.

The previous prime is 42021102271. The next prime is 42021102349. The reversal of 42021102337 is 73320112024.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40025604096 + 1995498241 = 200064^2 + 44671^2 .

It is a cyclic number.

It is not a de Polignac number, because 42021102337 - 2¹⁵ = 42021069569 is a prime.

It is not a weakly prime, because it can be changed into another prime (42021102637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21010551168 + 21010551169.

It is an arithmetic number, because the mean of its divisors is an integer number (21010551169).

Almost surely, 2^42021102337 is an apocalyptic number.

It is an amenable number.

42021102337 is a deficient number, since it is larger than the sum of its proper divisors (1).

42021102337 is an equidigital number, since it uses as much as digits as its factorization.

42021102337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

The spelling of 42021102337 in words is "forty-two billion, twenty-one million, one hundred two thousand, three hundred thirty-seven".