190103883857 has 4 divisors (see below), whose sum is σ = 190104777060. Its totient is φ = 190102990656.

The previous prime is 190103883841. The next prime is 190103883863. The reversal of 190103883857 is 758388301091.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 54421424656 + 135682459201 = 233284^2 + 368351^2 .

It is a cyclic number.

It is not a de Polignac number, because 190103883857 - 2⁴ = 190103883841 is a prime.

It is a super-2 number, since 2×190103883857² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 190103883799 and 190103883808.

It is not an unprimeable number, because it can be changed into a prime (190103843857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78269 + ... + 621557.

It is an arithmetic number, because the mean of its divisors is an integer number (47526194265).

Almost surely, 2^190103883857 is an apocalyptic number.

It is an amenable number.

190103883857 is a deficient number, since it is larger than the sum of its proper divisors (893203).

190103883857 is an equidigital number, since it uses as much as digits as its factorization.

190103883857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893202.

The product of its (nonzero) digits is 1451520, while the sum is 53.

The spelling of 190103883857 in words is "one hundred ninety billion, one hundred three million, eight hundred eighty-three thousand, eight hundred fifty-seven".