33481243951 has 2 divisors, whose sum is σ = 33481243952. Its totient is φ = 33481243950.

The previous prime is 33481243931. The next prime is 33481243981. The reversal of 33481243951 is 15934218433.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33481243951 is a prime.

It is a super-2 number, since 2×33481243951² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33481243898 and 33481243907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33481243931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16740621975 + 16740621976.

It is an arithmetic number, because the mean of its divisors is an integer number (16740621976).

Almost surely, 2^33481243951 is an apocalyptic number.

33481243951 is a deficient number, since it is larger than the sum of its proper divisors (1).

33481243951 is an equidigital number, since it uses as much as digits as its factorization.

33481243951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 43.

The spelling of 33481243951 in words is "thirty-three billion, four hundred eighty-one million, two hundred forty-three thousand, nine hundred fifty-one".