4661400043 has 4 divisors (see below), whose sum is σ = 4678228480. Its totient is φ = 4644571608.

The previous prime is 4661400031. The next prime is 4661400047. The reversal of 4661400043 is 3400041664.

It is a happy number.

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 4661400043 - 2⁵ = 4661400011 is a prime.

It is a Duffinian number.

It is a zygodrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 4661399984 and 4661400020.

It is not an unprimeable number, because it can be changed into a prime (4661400047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8413803 + ... + 8414356.

It is an arithmetic number, because the mean of its divisors is an integer number (1169557120).

Almost surely, 2^4661400043 is an apocalyptic number.

4661400043 is a deficient number, since it is larger than the sum of its proper divisors (16828437).

4661400043 is a wasteful number, since it uses less digits than its factorization.

4661400043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16828436.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 4661400043 is about 68274.4464862221. The cubic root of 4661400043 is about 1670.4704285044.

The spelling of 4661400043 in words is "four billion, six hundred sixty-one million, four hundred thousand, forty-three".