4722151645 has 8 divisors (see below), whose sum is σ = 5667863040. Its totient is φ = 3776867280.

The previous prime is 4722151633. The next prime is 4722151649. The reversal of 4722151645 is 5461512274.

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

It is a de Polignac number, because none of the positive numbers 2^k-4722151645 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4722151649) 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, 81901 + ... + 127090.

It is an arithmetic number, because the mean of its divisors is an integer number (708482880).

Almost surely, 2^4722151645 is an apocalyptic number.

It is an amenable number.

4722151645 is a deficient number, since it is larger than the sum of its proper divisors (945711395).

4722151645 is a wasteful number, since it uses less digits than its factorization.

4722151645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213515.

The product of its digits is 67200, while the sum is 37.

The square root of 4722151645 is about 68717.9135669878. The cubic root of 4722151645 is about 1677.6961576996.

The spelling of 4722151645 in words is "four billion, seven hundred twenty-two million, one hundred fifty-one thousand, six hundred forty-five".