7621964323 has 8 divisors (see below), whose sum is σ = 8058160400. Its totient is φ = 7189272288.

The previous prime is 7621964321. The next prime is 7621964347. The reversal of 7621964323 is 3234691267.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7621964323 - 2¹ = 7621964321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7621964323.

It is not an unprimeable number, because it can be changed into a prime (7621964321) 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 7 ways as a sum of consecutive naturals, for example, 871536 + ... + 880237.

It is an arithmetic number, because the mean of its divisors is an integer number (1007270050).

Almost surely, 2^7621964323 is an apocalyptic number.

7621964323 is a deficient number, since it is larger than the sum of its proper divisors (436196077).

7621964323 is a wasteful number, since it uses less digits than its factorization.

7621964323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752021.

The product of its digits is 326592, while the sum is 43.

The square root of 7621964323 is about 87303.8620165225. The cubic root of 7621964323 is about 1967.9873561379.

The spelling of 7621964323 in words is "seven billion, six hundred twenty-one million, nine hundred sixty-four thousand, three hundred twenty-three".