4605669791890 has 16 divisors (see below), whose sum is σ = 8296697587032. Its totient is φ = 1840825258624.

The previous prime is 4605669791819. The next prime is 4605669791911. The reversal of 4605669791890 is 981979665064.

It can be written as a sum of positive squares in 4 ways, for example, as 3799860158329 + 805809633561 = 1949323^2 + 897669^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180318859 + ... + 180344398.

Almost surely, 2^{4605669791890} is an apocalyptic number.

4605669791890 is a deficient number, since it is larger than the sum of its proper divisors (3691027795142).

4605669791890 is a wasteful number, since it uses less digits than its factorization.

4605669791890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360664541.

The product of its (nonzero) digits is 176359680, while the sum is 70.

The spelling of 4605669791890 in words is "four trillion, six hundred five billion, six hundred sixty-nine million, seven hundred ninety-one thousand, eight hundred ninety".