33240435247 has 2 divisors, whose sum is σ = 33240435248. Its totient is φ = 33240435246.

The previous prime is 33240435157. The next prime is 33240435251. The reversal of 33240435247 is 74253404233.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 33240435247 - 2¹⁵ = 33240402479 is a prime.

It is a super-2 number, since 2×33240435247² (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 (33240435287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16620217623 + 16620217624.

It is an arithmetic number, because the mean of its divisors is an integer number (16620217624).

Almost surely, 2^33240435247 is an apocalyptic number.

33240435247 is a deficient number, since it is larger than the sum of its proper divisors (1).

33240435247 is an equidigital number, since it uses as much as digits as its factorization.

33240435247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 37.

The spelling of 33240435247 in words is "thirty-three billion, two hundred forty million, four hundred thirty-five thousand, two hundred forty-seven".