7242664513 has 16 divisors (see below), whose sum is σ = 8774559360. Its totient is φ = 5835937536.

The previous prime is 7242664483. The next prime is 7242664529. The reversal of 7242664513 is 3154662427.

It is a cyclic number.

It is not a de Polignac number, because 7242664513 - 2²¹ = 7240567361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7242664543) 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, 66795 + ... + 137647.

It is an arithmetic number, because the mean of its divisors is an integer number (548409960).

Almost surely, 2^7242664513 is an apocalyptic number.

It is an amenable number.

7242664513 is a deficient number, since it is larger than the sum of its proper divisors (1531894847).

7242664513 is a wasteful number, since it uses less digits than its factorization.

7242664513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71736.

The product of its digits is 241920, while the sum is 40.

The square root of 7242664513 is about 85103.8454654077. The cubic root of 7242664513 is about 1934.7853468153.

The spelling of 7242664513 in words is "seven billion, two hundred forty-two million, six hundred sixty-four thousand, five hundred thirteen".