4656521226890 has 32 divisors (see below), whose sum is σ = 9027021535056. Its totient is φ = 1719229155840.

The previous prime is 4656521226883. The next prime is 4656521226893. The reversal of 4656521226890 is 986221256564.

It can be written as a sum of positive squares in 8 ways, for example, as 2168011821889 + 2488509405001 = 1472417^2 + 1577501^2 .

It is not an unprimeable number, because it can be changed into a prime (4656521226893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1162820 + ... + 3265760.

Almost surely, 2^{4656521226890} is an apocalyptic number.

4656521226890 is a deficient number, since it is larger than the sum of its proper divisors (4370500308166).

4656521226890 is a wasteful number, since it uses less digits than its factorization.

4656521226890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2119994.

The product of its (nonzero) digits is 12441600, while the sum is 56.

The spelling of 4656521226890 in words is "four trillion, six hundred fifty-six billion, five hundred twenty-one million, two hundred twenty-six thousand, eight hundred ninety".