202439429 has 2 divisors, whose sum is σ = 202439430. Its totient is φ = 202439428.

The previous prime is 202439423. The next prime is 202439441. The reversal of 202439429 is 924934202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 202350625 + 88804 = 14225^2 + 298^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202439429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202439423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101219714 + 101219715.

It is an arithmetic number, because the mean of its divisors is an integer number (101219715).

Almost surely, 2^202439429 is an apocalyptic number.

It is an amenable number.

202439429 is a deficient number, since it is larger than the sum of its proper divisors (1).

202439429 is an equidigital number, since it uses as much as digits as its factorization.

202439429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 202439429 is about 14228.1210635839. The cubic root of 202439429 is about 587.1715903495.

The spelling of 202439429 in words is "two hundred two million, four hundred thirty-nine thousand, four hundred twenty-nine".