5343661786 has 4 divisors (see below), whose sum is σ = 8015492682. Its totient is φ = 2671830892.

The previous prime is 5343661769. The next prime is 5343661787. The reversal of 5343661786 is 6871663435.

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

It can be written as a sum of positive squares in only one way, i.e., 3760019761 + 1583642025 = 61319^2 + 39795^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (5343661787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1335915445 + ... + 1335915448.

Almost surely, 2^5343661786 is an apocalyptic number.

5343661786 is a deficient number, since it is larger than the sum of its proper divisors (2671830896).

5343661786 is a wasteful number, since it uses less digits than its factorization.

5343661786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2671830895.

The product of its digits is 2177280, while the sum is 49.

The square root of 5343661786 is about 73100.3542125481. The cubic root of 5343661786 is about 1748.2880440112.

The spelling of 5343661786 in words is "five billion, three hundred forty-three million, six hundred sixty-one thousand, seven hundred eighty-six".