671202429 has 4 divisors (see below), whose sum is σ = 894936576. Its totient is φ = 447468284.

The previous prime is 671202403. The next prime is 671202439. The reversal of 671202429 is 924202176.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 671202429 - 2⁵ = 671202397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 671202429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671202439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111867069 + ... + 111867074.

It is an arithmetic number, because the mean of its divisors is an integer number (223734144).

Almost surely, 2^671202429 is an apocalyptic number.

It is an amenable number.

671202429 is a deficient number, since it is larger than the sum of its proper divisors (223734147).

671202429 is a wasteful number, since it uses less digits than its factorization.

671202429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223734146.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 671202429 is about 25907.5747417623. The cubic root of 671202429 is about 875.5571652528.

The spelling of 671202429 in words is "six hundred seventy-one million, two hundred two thousand, four hundred twenty-nine".