4747400431421 has 4 divisors (see below), whose sum is σ = 4769899959744. Its totient is φ = 4724900903100.

The previous prime is 4747400431339. The next prime is 4747400431427. The reversal of 4747400431421 is 1241340047474.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4747400431421 - 2¹⁰ = 4747400430397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4747400431427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11249763845 + ... + 11249764266.

It is an arithmetic number, because the mean of its divisors is an integer number (1192474989936).

Almost surely, 2^{4747400431421} is an apocalyptic number.

It is an amenable number.

4747400431421 is a deficient number, since it is larger than the sum of its proper divisors (22499528323).

4747400431421 is a wasteful number, since it uses less digits than its factorization.

4747400431421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22499528322.

The product of its (nonzero) digits is 301056, while the sum is 41.

Adding to 4747400431421 its reverse (1241340047474), we get a palindrome (5988740478895).

The spelling of 4747400431421 in words is "four trillion, seven hundred forty-seven billion, four hundred million, four hundred thirty-one thousand, four hundred twenty-one".