5145799421 has 16 divisors (see below), whose sum is σ = 5940633600. Its totient is φ = 4365975168.

The previous prime is 5145799397. The next prime is 5145799427. The reversal of 5145799421 is 1249975415.

It is a cyclic number.

It is not a de Polignac number, because 5145799421 - 2⁶ = 5145799357 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 (5145799427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 973241 + ... + 978513.

It is an arithmetic number, because the mean of its divisors is an integer number (371289600).

Almost surely, 2^5145799421 is an apocalyptic number.

It is an amenable number.

5145799421 is a deficient number, since it is larger than the sum of its proper divisors (794834179).

5145799421 is a wasteful number, since it uses less digits than its factorization.

5145799421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6668.

The product of its digits is 453600, while the sum is 47.

The square root of 5145799421 is about 71734.2276810729. The cubic root of 5145799421 is about 1726.4378597238.

The spelling of 5145799421 in words is "five billion, one hundred forty-five million, seven hundred ninety-nine thousand, four hundred twenty-one".