47439228465 has 48 divisors (see below), whose sum is σ = 83007175680. Its totient is φ = 25061886720.

The previous prime is 47439228457. The next prime is 47439228479. The reversal of 47439228465 is 56482293474.

It is a happy number.

47439228465 is a `hidden beast` number, since 4 + 74 + 3 + 92 + 28 + 465 = 666.

It is not a de Polignac number, because 47439228465 - 2³ = 47439228457 is a prime.

It is a super-3 number, since 3×47439228465³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

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 in 47 ways as a sum of consecutive naturals, for example, 3347184 + ... + 3361326.

It is an arithmetic number, because the mean of its divisors is an integer number (1729316160).

Almost surely, 2^47439228465 is an apocalyptic number.

47439228465 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47439228465 is a deficient number, since it is larger than the sum of its proper divisors (35567947215).

47439228465 is a wasteful number, since it uses less digits than its factorization.

47439228465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14854 (or 14851 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 54.

The spelling of 47439228465 in words is "forty-seven billion, four hundred thirty-nine million, two hundred twenty-eight thousand, four hundred sixty-five".