101433439 has 2 divisors, whose sum is σ = 101433440. Its totient is φ = 101433438.

The previous prime is 101433421. The next prime is 101433463. The reversal of 101433439 is 934334101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101433439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101433239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50716719 + 50716720.

It is an arithmetic number, because the mean of its divisors is an integer number (50716720).

Almost surely, 2^101433439 is an apocalyptic number.

101433439 is a deficient number, since it is larger than the sum of its proper divisors (1).

101433439 is an equidigital number, since it uses as much as digits as its factorization.

101433439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 101433439 is about 10071.4169310976. The cubic root of 101433439 is about 466.3661814466.

It can be divided in two parts, 1014 and 33439, that added together give a triangular number (34453 = T₂₆₂).

The spelling of 101433439 in words is "one hundred one million, four hundred thirty-three thousand, four hundred thirty-nine".