201804455087098 has 4 divisors (see below), whose sum is σ = 302706682630650. Its totient is φ = 100902227543548.

The previous prime is 201804455087089. The next prime is 201804455087101. The reversal of 201804455087098 is 890780554408102.

It is a happy number.

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., 196785990409849 + 5018464677249 = 14028043^2 + 2240193^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50451113771773 + ... + 50451113771776.

Almost surely, 2^{201804455087098} is an apocalyptic number.

201804455087098 is a deficient number, since it is larger than the sum of its proper divisors (100902227543552).

201804455087098 is a wasteful number, since it uses less digits than its factorization.

201804455087098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100902227543551.

The product of its (nonzero) digits is 25804800, while the sum is 61.

The spelling of 201804455087098 in words is "two hundred one trillion, eight hundred four billion, four hundred fifty-five million, eighty-seven thousand, ninety-eight".