381058729 has 4 divisors (see below), whose sum is σ = 381126400. Its totient is φ = 380991060.

The previous prime is 381058703. The next prime is 381058807. The reversal of 381058729 is 927850183.

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 381058729 - 2¹⁵ = 381025961 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381058529) 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, 24537 + ... + 36934.

It is an arithmetic number, because the mean of its divisors is an integer number (95281600).

Almost surely, 2^381058729 is an apocalyptic number.

It is an amenable number.

381058729 is a deficient number, since it is larger than the sum of its proper divisors (67671).

381058729 is an equidigital number, since it uses as much as digits as its factorization.

381058729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67670.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 381058729 is about 19520.7256268818. The cubic root of 381058729 is about 724.9876995139.

The spelling of 381058729 in words is "three hundred eighty-one million, fifty-eight thousand, seven hundred twenty-nine".