4745161621651 has 8 divisors (see below), whose sum is σ = 5176687555008. Its totient is φ = 4313660289000.

The previous prime is 4745161621643. The next prime is 4745161621663. The reversal of 4745161621651 is 1561261615474.

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 4745161621651 - 2³ = 4745161621643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4745161621595 and 4745161621604.

It is not an unprimeable number, because it can be changed into a prime (4745161601651) 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, 5745705 + ... + 6519466.

It is an arithmetic number, because the mean of its divisors is an integer number (647085944376).

Almost surely, 2^{4745161621651} is an apocalyptic number.

4745161621651 is a deficient number, since it is larger than the sum of its proper divisors (431525933357).

4745161621651 is a wasteful number, since it uses less digits than its factorization.

4745161621651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12300353.

The product of its digits is 1209600, while the sum is 49.

The spelling of 4745161621651 in words is "four trillion, seven hundred forty-five billion, one hundred sixty-one million, six hundred twenty-one thousand, six hundred fifty-one".