33489621023 has 2 divisors, whose sum is σ = 33489621024. Its totient is φ = 33489621022.

The previous prime is 33489621001. The next prime is 33489621029. The reversal of 33489621023 is 32012698433.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 33489621023 - 2¹⁴ = 33489604639 is a prime.

It is a super-2 number, since 2×33489621023² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33489621029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16744810511 + 16744810512.

It is an arithmetic number, because the mean of its divisors is an integer number (16744810512).

Almost surely, 2^33489621023 is an apocalyptic number.

33489621023 is a deficient number, since it is larger than the sum of its proper divisors (1).

33489621023 is an equidigital number, since it uses as much as digits as its factorization.

33489621023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 33489621023 in words is "thirty-three billion, four hundred eighty-nine million, six hundred twenty-one thousand, twenty-three".