33895000421 has 2 divisors, whose sum is σ = 33895000422. Its totient is φ = 33895000420.

The previous prime is 33895000369. The next prime is 33895000427. The reversal of 33895000421 is 12400059833.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24246849796 + 9648150625 = 155714^2 + 98225^2 .

It is a cyclic number.

It is not a de Polignac number, because 33895000421 - 2⁶ = 33895000357 is a prime.

It is a super-2 number, since 2×33895000421² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33895000427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16947500210 + 16947500211.

It is an arithmetic number, because the mean of its divisors is an integer number (16947500211).

Almost surely, 2^33895000421 is an apocalyptic number.

It is an amenable number.

33895000421 is a deficient number, since it is larger than the sum of its proper divisors (1).

33895000421 is an equidigital number, since it uses as much as digits as its factorization.

33895000421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 33895000421 in words is "thirty-three billion, eight hundred ninety-five million, four hundred twenty-one", and thus it is an aban number.