633349139 has 2 divisors, whose sum is σ = 633349140. Its totient is φ = 633349138.

The previous prime is 633349133. The next prime is 633349159. The reversal of 633349139 is 931943336.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 633349139 - 2⁸ = 633348883 is a prime.

It is a super-2 number, since 2×633349139² = 802262263744082642, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 633349096 and 633349105.

It is not a weakly prime, because it can be changed into another prime (633349133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316674569 + 316674570.

It is an arithmetic number, because the mean of its divisors is an integer number (316674570).

Almost surely, 2^633349139 is an apocalyptic number.

633349139 is a deficient number, since it is larger than the sum of its proper divisors (1).

633349139 is an equidigital number, since it uses as much as digits as its factorization.

633349139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 157464, while the sum is 41.

The square root of 633349139 is about 25166.4288090305. The cubic root of 633349139 is about 858.7782990970.

The spelling of 633349139 in words is "six hundred thirty-three million, three hundred forty-nine thousand, one hundred thirty-nine".