5219142621 has 64 divisors (see below), whose sum is σ = 8843821056. Its totient is φ = 2659204800.

The previous prime is 5219142619. The next prime is 5219142631. The reversal of 5219142621 is 1262419125.

It is not a de Polignac number, because 5219142621 - 2¹ = 5219142619 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5219142631) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3656710 + ... + 3658136.

It is an arithmetic number, because the mean of its divisors is an integer number (138184704).

Almost surely, 2^5219142621 is an apocalyptic number.

It is an amenable number.

5219142621 is a deficient number, since it is larger than the sum of its proper divisors (3624678435).

5219142621 is a wasteful number, since it uses less digits than its factorization.

5219142621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742.

The product of its digits is 8640, while the sum is 33.

The square root of 5219142621 is about 72243.6337748870. The cubic root of 5219142621 is about 1734.6015158959.

The spelling of 5219142621 in words is "five billion, two hundred nineteen million, one hundred forty-two thousand, six hundred twenty-one".