5405889947 has 4 divisors (see below), whose sum is σ = 5439055080. Its totient is φ = 5372724816.

The previous prime is 5405889943. The next prime is 5405889961. The reversal of 5405889947 is 7499885045.

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

It is a cyclic number.

It is not a de Polignac number, because 5405889947 - 2² = 5405889943 is a prime.

It is a super-2 number, since 2×5405889947² = 58447292238151325618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5405889941) 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, 16582322 + ... + 16582647.

It is an arithmetic number, because the mean of its divisors is an integer number (1359763770).

Almost surely, 2^5405889947 is an apocalyptic number.

5405889947 is a deficient number, since it is larger than the sum of its proper divisors (33165133).

5405889947 is a wasteful number, since it uses less digits than its factorization.

5405889947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33165132.

The product of its (nonzero) digits is 14515200, while the sum is 59.

The square root of 5405889947 is about 73524.7573746422. The cubic root of 5405889947 is about 1755.0482744707.

The spelling of 5405889947 in words is "five billion, four hundred five million, eight hundred eighty-nine thousand, nine hundred forty-seven".