916129019 has 8 divisors (see below), whose sum is σ = 1018426752. Its totient is φ = 818377920.

The previous prime is 916129003. The next prime is 916129087. The reversal of 916129019 is 910921619.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 916129019 - 2⁴ = 916129003 is a prime.

It is a super-2 number, since 2×916129019² = 1678584758907804722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (916129519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1136234 + ... + 1137039.

It is an arithmetic number, because the mean of its divisors is an integer number (127303344).

Almost surely, 2^916129019 is an apocalyptic number.

916129019 is a deficient number, since it is larger than the sum of its proper divisors (102297733).

916129019 is a wasteful number, since it uses less digits than its factorization.

916129019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2273317.

The product of its (nonzero) digits is 8748, while the sum is 38.

The square root of 916129019 is about 30267.6232796696. The cubic root of 916129019 is about 971.2228241936. Note that the first 3 decimals are identical.

The spelling of 916129019 in words is "nine hundred sixteen million, one hundred twenty-nine thousand, nineteen".