33623254139 has 2 divisors, whose sum is σ = 33623254140. Its totient is φ = 33623254138.

The previous prime is 33623254127. The next prime is 33623254141. The reversal of 33623254139 is 93145232633.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 33623254139 - 2⁴ = 33623254123 is a prime.

It is a super-2 number, since 2×33623254139² (a number of 22 digits) contains 22 as substring.

Together with 33623254141, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 33623254096 and 33623254105.

It is not a weakly prime, because it can be changed into another prime (33623254169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16811627069 + 16811627070.

It is an arithmetic number, because the mean of its divisors is an integer number (16811627070).

Almost surely, 2^33623254139 is an apocalyptic number.

33623254139 is a deficient number, since it is larger than the sum of its proper divisors (1).

33623254139 is an equidigital number, since it uses as much as digits as its factorization.

33623254139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 349920, while the sum is 41.

The spelling of 33623254139 in words is "thirty-three billion, six hundred twenty-three million, two hundred fifty-four thousand, one hundred thirty-nine".