3999505047526 has 8 divisors (see below), whose sum is σ = 6002767967040. Its totient is φ = 1998582391848.

The previous prime is 3999505047523. The next prime is 3999505047533. The reversal of 3999505047526 is 6257405059993.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3999505047523) 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, 585061686 + ... + 585068521.

It is an arithmetic number, because the mean of its divisors is an integer number (750345995880).

Almost surely, 2^{3999505047526} is an apocalyptic number.

3999505047526 is a deficient number, since it is larger than the sum of its proper divisors (2003262919514).

3999505047526 is a wasteful number, since it uses less digits than its factorization.

3999505047526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170131918.

The product of its (nonzero) digits is 91854000, while the sum is 64.

The spelling of 3999505047526 in words is "three trillion, nine hundred ninety-nine billion, five hundred five million, forty-seven thousand, five hundred twenty-six".