4732140221691 has 4 divisors (see below), whose sum is σ = 6309520295592. Its totient is φ = 3154760147792.

The previous prime is 4732140221681. The next prime is 4732140221693. The reversal of 4732140221691 is 1961220412374.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4732140221691 - 2¹³ = 4732140213499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4732140221693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 788690036946 + ... + 788690036951.

It is an arithmetic number, because the mean of its divisors is an integer number (1577380073898).

Almost surely, 2^{4732140221691} is an apocalyptic number.

4732140221691 is a deficient number, since it is larger than the sum of its proper divisors (1577380073901).

4732140221691 is a wasteful number, since it uses less digits than its factorization.

4732140221691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577380073900.

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 4732140221691 in words is "four trillion, seven hundred thirty-two billion, one hundred forty million, two hundred twenty-one thousand, six hundred ninety-one".