42334213997 has 2 divisors, whose sum is σ = 42334213998. Its totient is φ = 42334213996.

The previous prime is 42334213963. The next prime is 42334214053. The reversal of 42334213997 is 79931243324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30537213001 + 11797000996 = 174749^2 + 108614^2 .

It is a cyclic number.

It is not a de Polignac number, because 42334213997 - 2⁸ = 42334213741 is a prime.

It is a super-3 number, since 3×42334213997³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42334213897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21167106998 + 21167106999.

It is an arithmetic number, because the mean of its divisors is an integer number (21167106999).

Almost surely, 2^42334213997 is an apocalyptic number.

It is an amenable number.

42334213997 is a deficient number, since it is larger than the sum of its proper divisors (1).

42334213997 is an equidigital number, since it uses as much as digits as its factorization.

42334213997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 47.

The spelling of 42334213997 in words is "forty-two billion, three hundred thirty-four million, two hundred thirteen thousand, nine hundred ninety-seven".