4591481367890 has 16 divisors (see below), whose sum is σ = 8531268606720. Its totient is φ = 1777347626160.

The previous prime is 4591481367877. The next prime is 4591481367943. The reversal of 4591481367890 is 987631841954.

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, 7405614800 + ... + 7405615419.

It is an arithmetic number, because the mean of its divisors is an integer number (533204287920).

Almost surely, 2^{4591481367890} is an apocalyptic number.

4591481367890 is a deficient number, since it is larger than the sum of its proper divisors (3939787238830).

4591481367890 is a wasteful number, since it uses less digits than its factorization.

4591481367890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14811230257.

The product of its (nonzero) digits is 52254720, while the sum is 65.

The spelling of 4591481367890 in words is "four trillion, five hundred ninety-one billion, four hundred eighty-one million, three hundred sixty-seven thousand, eight hundred ninety".