19826303914 has 4 divisors (see below), whose sum is σ = 29739455874. Its totient is φ = 9913151956.

The previous prime is 19826303909. The next prime is 19826303923. The reversal of 19826303914 is 41930362891.

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., 16213692889 + 3612611025 = 127333^2 + 60105^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4956575977 + ... + 4956575980.

Almost surely, 2^19826303914 is an apocalyptic number.

19826303914 is a deficient number, since it is larger than the sum of its proper divisors (9913151960).

19826303914 is an equidigital number, since it uses as much as digits as its factorization.

19826303914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9913151959.

The product of its (nonzero) digits is 279936, while the sum is 46.

The spelling of 19826303914 in words is "nineteen billion, eight hundred twenty-six million, three hundred three thousand, nine hundred fourteen".