7147724923649 has 4 divisors (see below), whose sum is σ = 7254407385264. Its totient is φ = 7041042462036.

The previous prime is 7147724923639. The next prime is 7147724923657. The reversal of 7147724923649 is 9463294277417.

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 not a de Polignac number, because 7147724923649 - 2⁸ = 7147724923393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7147724923639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53341230707 + ... + 53341230840.

It is an arithmetic number, because the mean of its divisors is an integer number (1813601846316).

Almost surely, 2^{7147724923649} is an apocalyptic number.

It is an amenable number.

7147724923649 is a deficient number, since it is larger than the sum of its proper divisors (106682461615).

7147724923649 is a wasteful number, since it uses less digits than its factorization.

7147724923649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106682461614.

The product of its digits is 128024064, while the sum is 65.

The spelling of 7147724923649 in words is "seven trillion, one hundred forty-seven billion, seven hundred twenty-four million, nine hundred twenty-three thousand, six hundred forty-nine".