5694058981 has 4 divisors (see below), whose sum is σ = 6132063532. Its totient is φ = 5256054432.

The previous prime is 5694058973. The next prime is 5694058991. The reversal of 5694058981 is 1898504965.

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

It can be written as a sum of positive squares in 2 ways, for example, as 651780900 + 5042278081 = 25530^2 + 71009^2 .

It is a cyclic number.

It is not a de Polignac number, because 5694058981 - 2³ = 5694058973 is a prime.

It is a super-2 number, since 2×5694058981² = 64844615358213516722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5694058901) by changing a digit.

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, 219002256 + ... + 219002281.

It is an arithmetic number, because the mean of its divisors is an integer number (1533015883).

Almost surely, 2^5694058981 is an apocalyptic number.

It is an amenable number.

5694058981 is a deficient number, since it is larger than the sum of its proper divisors (438004551).

5694058981 is a wasteful number, since it uses less digits than its factorization.

5694058981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438004550.

The product of its (nonzero) digits is 3110400, while the sum is 55.

The square root of 5694058981 is about 75458.9887356039. The cubic root of 5694058981 is about 1785.6951557518.

It can be divided in two parts, 56940 and 58981, that added together give a triangular number (115921 = T₄₈₁).

The spelling of 5694058981 in words is "five billion, six hundred ninety-four million, fifty-eight thousand, nine hundred eighty-one".