5259006491 has 16 divisors (see below), whose sum is σ = 5724976320. Its totient is φ = 4811320320.

The previous prime is 5259006469. The next prime is 5259006503. The reversal of 5259006491 is 1946009525.

It is a cyclic number.

It is not a de Polignac number, because 5259006491 - 2⁶ = 5259006427 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5259006691) 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, 179450 + ... + 206688.

It is an arithmetic number, because the mean of its divisors is an integer number (357811020).

Almost surely, 2^5259006491 is an apocalyptic number.

5259006491 is a deficient number, since it is larger than the sum of its proper divisors (465969829).

5259006491 is a wasteful number, since it uses less digits than its factorization.

5259006491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27574.

The product of its (nonzero) digits is 97200, while the sum is 41.

The square root of 5259006491 is about 72519.0077910612. The cubic root of 5259006491 is about 1739.0066214030.

The spelling of 5259006491 in words is "five billion, two hundred fifty-nine million, six thousand, four hundred ninety-one".