5188621870 has 16 divisors (see below), whose sum is σ = 9538233408. Its totient is φ = 2031290080.

The previous prime is 5188621861. The next prime is 5188621871. The reversal of 5188621870 is 781268815.

It is a self number, because there is not a number n which added to its sum of digits gives 5188621870.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5188621871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5519341 + ... + 5520280.

It is an arithmetic number, because the mean of its divisors is an integer number (596139588).

Almost surely, 2^5188621870 is an apocalyptic number.

5188621870 is a deficient number, since it is larger than the sum of its proper divisors (4349611538).

5188621870 is a wasteful number, since it uses less digits than its factorization.

5188621870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11039675.

The product of its (nonzero) digits is 215040, while the sum is 46.

The square root of 5188621870 is about 72032.0891686476. The cubic root of 5188621870 is about 1731.2136749537.

The spelling of 5188621870 in words is "five billion, one hundred eighty-eight million, six hundred twenty-one thousand, eight hundred seventy".