636059098 has 4 divisors (see below), whose sum is σ = 954088650. Its totient is φ = 318029548.

The previous prime is 636059087. The next prime is 636059101. The reversal of 636059098 is 890950636.

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., 630662769 + 5396329 = 25113^2 + 2323^2 .

It is a super-2 number, since 2×636059098² = 809142352297147208, which contains 22 as substring.

It is an unprimeable number.

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, 159014773 + ... + 159014776.

Almost surely, 2^636059098 is an apocalyptic number.

636059098 is a deficient number, since it is larger than the sum of its proper divisors (318029552).

636059098 is a wasteful number, since it uses less digits than its factorization.

636059098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318029551.

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 636059098 is about 25220.2120926847. The cubic root of 636059098 is about 860.0013962480.

The spelling of 636059098 in words is "six hundred thirty-six million, fifty-nine thousand, ninety-eight".