5215129846 has 4 divisors (see below), whose sum is σ = 7822694772. Its totient is φ = 2607564922.

The previous prime is 5215129837. The next prime is 5215129847. The reversal of 5215129846 is 6489215125.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5215129847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1303782460 + ... + 1303782463.

It is an arithmetic number, because the mean of its divisors is an integer number (1955673693).

Almost surely, 2^5215129846 is an apocalyptic number.

5215129846 is a deficient number, since it is larger than the sum of its proper divisors (2607564926).

5215129846 is a wasteful number, since it uses less digits than its factorization.

5215129846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2607564925.

The product of its digits is 172800, while the sum is 43.

The square root of 5215129846 is about 72215.8559182123. The cubic root of 5215129846 is about 1734.1568483353.

The spelling of 5215129846 in words is "five billion, two hundred fifteen million, one hundred twenty-nine thousand, eight hundred forty-six".