3801729667 has 2 divisors, whose sum is σ = 3801729668. Its totient is φ = 3801729666.

The previous prime is 3801729661. The next prime is 3801729713. The reversal of 3801729667 is 7669271083.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3801729667 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3801729667.

It is not a weakly prime, because it can be changed into another prime (3801729661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1900864833 + 1900864834.

It is an arithmetic number, because the mean of its divisors is an integer number (1900864834).

Almost surely, 2^3801729667 is an apocalyptic number.

3801729667 is a deficient number, since it is larger than the sum of its proper divisors (1).

3801729667 is an equidigital number, since it uses as much as digits as its factorization.

3801729667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 762048, while the sum is 49.

The square root of 3801729667 is about 61658.1678855284. The cubic root of 3801729667 is about 1560.7274805266.

The spelling of 3801729667 in words is "three billion, eight hundred one million, seven hundred twenty-nine thousand, six hundred sixty-seven".