1968790294 has 8 divisors (see below), whose sum is σ = 3081584880. Its totient is φ = 941595336.

The previous prime is 1968790283. The next prime is 1968790321. The reversal of 1968790294 is 4920978691.

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

It is a super-2 number, since 2×1968790294² = 7752270443497212872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 21399849 + ... + 21399940.

It is an arithmetic number, because the mean of its divisors is an integer number (385198110).

Almost surely, 2^1968790294 is an apocalyptic number.

1968790294 is a deficient number, since it is larger than the sum of its proper divisors (1112794586).

1968790294 is a wasteful number, since it uses less digits than its factorization.

1968790294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42799814.

The product of its (nonzero) digits is 1959552, while the sum is 55.

The square root of 1968790294 is about 44371.0524328644. The cubic root of 1968790294 is about 1253.3330341940. Note that the first 3 decimals are identical.

The spelling of 1968790294 in words is "one billion, nine hundred sixty-eight million, seven hundred ninety thousand, two hundred ninety-four".