2647520493 has 4 divisors (see below), whose sum is σ = 3530027328. Its totient is φ = 1765013660.

The previous prime is 2647520467. The next prime is 2647520503. The reversal of 2647520493 is 3940257462.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2647520493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2647520423) 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, 441253413 + ... + 441253418.

It is an arithmetic number, because the mean of its divisors is an integer number (882506832).

Almost surely, 2^2647520493 is an apocalyptic number.

It is an amenable number.

2647520493 is a deficient number, since it is larger than the sum of its proper divisors (882506835).

2647520493 is an equidigital number, since it uses as much as digits as its factorization.

2647520493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882506834.

The product of its (nonzero) digits is 362880, while the sum is 42.

The square root of 2647520493 is about 51454.0619679341. The cubic root of 2647520493 is about 1383.3957702242.

The spelling of 2647520493 in words is "two billion, six hundred forty-seven million, five hundred twenty thousand, four hundred ninety-three".