1968926494 has 8 divisors (see below), whose sum is σ = 2970461880. Its totient is φ = 978772536.

The previous prime is 1968926459. The next prime is 1968926539. The reversal of 1968926494 is 4946298691.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2844924 + ... + 2845615.

It is an arithmetic number, because the mean of its divisors is an integer number (371307735).

Almost surely, 2^1968926494 is an apocalyptic number.

1968926494 is a deficient number, since it is larger than the sum of its proper divisors (1001535386).

1968926494 is a wasteful number, since it uses less digits than its factorization.

1968926494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5690714.

The product of its digits is 6718464, while the sum is 58.

The square root of 1968926494 is about 44372.5871907420. The cubic root of 1968926494 is about 1253.3619351937.

The spelling of 1968926494 in words is "one billion, nine hundred sixty-eight million, nine hundred twenty-six thousand, four hundred ninety-four".