4911009523 has 16 divisors (see below), whose sum is σ = 5643095040. Its totient is φ = 4186598976.

The previous prime is 4911009517. The next prime is 4911009539. The reversal of 4911009523 is 3259001194.

It is a de Polignac number, because none of the positive numbers 2^k-4911009523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4911009503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1984615 + ... + 1987087.

It is an arithmetic number, because the mean of its divisors is an integer number (352693440).

Almost surely, 2^4911009523 is an apocalyptic number.

4911009523 is a deficient number, since it is larger than the sum of its proper divisors (732085517).

4911009523 is a wasteful number, since it uses less digits than its factorization.

4911009523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3906.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 4911009523 is about 70078.5953269613. The cubic root of 4911009523 is about 1699.7703868661.

The spelling of 4911009523 in words is "four billion, nine hundred eleven million, nine thousand, five hundred twenty-three".