1994069017 has 4 divisors (see below), whose sum is σ = 2058393856. Its totient is φ = 1929744180.

The previous prime is 1994069003. The next prime is 1994069023. The reversal of 1994069017 is 7109604991.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7109604991 = 21493 ⋅330787.

It is a cyclic number.

It is not a de Polignac number, because 1994069017 - 2⁷ = 1994068889 is a prime.

It is a super-2 number, since 2×1994069017² = 7952622489118692578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1994069027) 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, 32162373 + ... + 32162434.

It is an arithmetic number, because the mean of its divisors is an integer number (514598464).

Almost surely, 2^1994069017 is an apocalyptic number.

It is an amenable number.

1994069017 is a deficient number, since it is larger than the sum of its proper divisors (64324839).

1994069017 is an equidigital number, since it uses as much as digits as its factorization.

1994069017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64324838.

The product of its (nonzero) digits is 122472, while the sum is 46.

The square root of 1994069017 is about 44654.9999104244. Note that the first 4 decimals coincide. The cubic root of 1994069017 is about 1258.6743883721.

The spelling of 1994069017 in words is "one billion, nine hundred ninety-four million, sixty-nine thousand, seventeen".