2981439694 has 8 divisors (see below), whose sum is σ = 4616422848. Its totient is φ = 1442632080.

The previous prime is 2981439673. The next prime is 2981439707. The reversal of 2981439694 is 4969341892.

2981439694 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 24043807 + ... + 24043930.

It is an arithmetic number, because the mean of its divisors is an integer number (577052856).

Almost surely, 2^2981439694 is an apocalyptic number.

2981439694 is a deficient number, since it is larger than the sum of its proper divisors (1634983154).

2981439694 is a wasteful number, since it uses less digits than its factorization.

2981439694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48087770.

The product of its digits is 3359232, while the sum is 55.

The square root of 2981439694 is about 54602.5612402935. The cubic root of 2981439694 is about 1439.2691272432.

The spelling of 2981439694 in words is "two billion, nine hundred eighty-one million, four hundred thirty-nine thousand, six hundred ninety-four".