5046556421 has 4 divisors (see below), whose sum is σ = 5046831372. Its totient is φ = 5046281472.

The previous prime is 5046556399. The next prime is 5046556441. The reversal of 5046556421 is 1246556405.

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 2344012225 + 2702544196 = 48415^2 + 51986^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5046556421 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 (5046556441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107810 + ... + 147363.

It is an arithmetic number, because the mean of its divisors is an integer number (1261707843).

Almost surely, 2^5046556421 is an apocalyptic number.

It is an amenable number.

5046556421 is a deficient number, since it is larger than the sum of its proper divisors (274951).

5046556421 is a wasteful number, since it uses less digits than its factorization.

5046556421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274950.

The product of its (nonzero) digits is 144000, while the sum is 38.

The square root of 5046556421 is about 71039.1189486469. The cubic root of 5046556421 is about 1715.2669159313.

The spelling of 5046556421 in words is "five billion, forty-six million, five hundred fifty-six thousand, four hundred twenty-one".