4745161621649 has 8 divisors (see below), whose sum is σ = 4875141212928. Its totient is φ = 4616391143200.

The previous prime is 4745161621643. The next prime is 4745161621663. The reversal of 4745161621649 is 9461261615474.

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

It is a cyclic number.

It is not a de Polignac number, because 4745161621649 - 2²⁰ = 4745160573073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4745161621594 and 4745161621603.

It is not an unprimeable number, because it can be changed into a prime (4745161621643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302270252 + ... + 302285949.

It is an arithmetic number, because the mean of its divisors is an integer number (609392651616).

Almost surely, 2^{4745161621649} is an apocalyptic number.

It is an amenable number.

4745161621649 is a deficient number, since it is larger than the sum of its proper divisors (129979591279).

4745161621649 is a wasteful number, since it uses less digits than its factorization.

4745161621649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604556415.

The product of its digits is 8709120, while the sum is 56.

The spelling of 4745161621649 in words is "four trillion, seven hundred forty-five billion, one hundred sixty-one million, six hundred twenty-one thousand, six hundred forty-nine".