1016442619 has 4 divisors (see below), whose sum is σ = 1033670520. Its totient is φ = 999214720.

The previous prime is 1016442617. The next prime is 1016442629. The reversal of 1016442619 is 9162446101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1016442619 - 2¹ = 1016442617 is a prime.

It is a super-2 number, since 2×1016442619² = 2066311195439158322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1016442617) 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, 8613862 + ... + 8613979.

It is an arithmetic number, because the mean of its divisors is an integer number (258417630).

Almost surely, 2^1016442619 is an apocalyptic number.

1016442619 is a deficient number, since it is larger than the sum of its proper divisors (17227901).

1016442619 is an equidigital number, since it uses as much as digits as its factorization.

1016442619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17227900.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 1016442619 is about 31881.6972415209. The cubic root of 1016442619 is about 1005.4511044677.

The spelling of 1016442619 in words is "one billion, sixteen million, four hundred forty-two thousand, six hundred nineteen".