33440421420347 has 2 divisors, whose sum is σ = 33440421420348. Its totient is φ = 33440421420346.

The previous prime is 33440421420257. The next prime is 33440421420383. The reversal of 33440421420347 is 74302412404433.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 33440421420347 - 2²⁴ = 33440404643131 is a prime.

It is a super-2 number, since 2×33440421420347² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33440421420547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16720210710173 + 16720210710174.

It is an arithmetic number, because the mean of its divisors is an integer number (16720210710174).

Almost surely, 2^{33440421420347} is an apocalyptic number.

33440421420347 is a deficient number, since it is larger than the sum of its proper divisors (1).

33440421420347 is an equidigital number, since it uses as much as digits as its factorization.

33440421420347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 41.

The spelling of 33440421420347 in words is "thirty-three trillion, four hundred forty billion, four hundred twenty-one million, four hundred twenty thousand, three hundred forty-seven".