47499440519 has 4 divisors (see below), whose sum is σ = 47862031800. Its totient is φ = 47136849240.

The previous prime is 47499440509. The next prime is 47499440543. The reversal of 47499440519 is 91504499474.

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

It is a cyclic number.

It is not a de Polignac number, because 47499440519 - 2¹² = 47499436423 is a prime.

It is a super-2 number, since 2×47499440519² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47499440509) 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, 181295444 + ... + 181295705.

It is an arithmetic number, because the mean of its divisors is an integer number (11965507950).

Almost surely, 2^47499440519 is an apocalyptic number.

47499440519 is a deficient number, since it is larger than the sum of its proper divisors (362591281).

47499440519 is a wasteful number, since it uses less digits than its factorization.

47499440519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362591280.

The product of its (nonzero) digits is 6531840, while the sum is 56.

The spelling of 47499440519 in words is "forty-seven billion, four hundred ninety-nine million, four hundred forty thousand, five hundred nineteen".