1830129038 has 4 divisors (see below), whose sum is σ = 2745193560. Its totient is φ = 915064518.

The previous prime is 1830129019. The next prime is 1830129043. The reversal of 1830129038 is 8309210381.

It is a semiprime because it is the product of two primes.

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

It is a junction number, because it is equal to n+sod(n) for n = 1830128989 and 1830129007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 457532258 + ... + 457532261.

It is an arithmetic number, because the mean of its divisors is an integer number (686298390).

Almost surely, 2^1830129038 is an apocalyptic number.

1830129038 is a deficient number, since it is larger than the sum of its proper divisors (915064522).

1830129038 is an equidigital number, since it uses as much as digits as its factorization.

1830129038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915064521.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 1830129038 is about 42780.0074567548. The cubic root of 1830129038 is about 1223.1899494300.

The spelling of 1830129038 in words is "one billion, eight hundred thirty million, one hundred twenty-nine thousand, thirty-eight".