4255821098 has 4 divisors (see below), whose sum is σ = 6383731650. Its totient is φ = 2127910548.

The previous prime is 4255821091. The next prime is 4255821109. The reversal of 4255821098 is 8901285524.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4146973609 + 108847489 = 64397^2 + 10433^2 .

It is a super-2 number, since 2×4255821098² = 36224026436363851208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4255821091) 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 as a sum of consecutive naturals, namely, 1063955273 + ... + 1063955276.

Almost surely, 2^4255821098 is an apocalyptic number.

4255821098 is a deficient number, since it is larger than the sum of its proper divisors (2127910552).

4255821098 is a wasteful number, since it uses less digits than its factorization.

4255821098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2127910551.

The product of its (nonzero) digits is 230400, while the sum is 44.

The square root of 4255821098 is about 65236.6545586145. The cubic root of 4255821098 is about 1620.5450965027.

The spelling of 4255821098 in words is "four billion, two hundred fifty-five million, eight hundred twenty-one thousand, ninety-eight".