4354781890 has 16 divisors (see below), whose sum is σ = 7851532032. Its totient is φ = 1739040624.

The previous prime is 4354781881. The next prime is 4354781891. The reversal of 4354781890 is 981874534.

It is not an unprimeable number, because it can be changed into a prime (4354781891) 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, 352644 + ... + 364783.

It is an arithmetic number, because the mean of its divisors is an integer number (490720752).

Almost surely, 2^4354781890 is an apocalyptic number.

4354781890 is a deficient number, since it is larger than the sum of its proper divisors (3496750142).

4354781890 is a wasteful number, since it uses less digits than its factorization.

4354781890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718041.

The product of its (nonzero) digits is 967680, while the sum is 49.

The square root of 4354781890 is about 65990.7712487133. The cubic root of 4354781890 is about 1633.0098439832.

The spelling of 4354781890 in words is "four billion, three hundred fifty-four million, seven hundred eighty-one thousand, eight hundred ninety".