1913298103 has 4 divisors (see below), whose sum is σ = 1914638440. Its totient is φ = 1911957768.

The previous prime is 1913298097. The next prime is 1913298139. The reversal of 1913298103 is 3018923191.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3018923191 = 2399 ⋅1258409.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1913298103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1913298143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 668025 + ... + 670882.

It is an arithmetic number, because the mean of its divisors is an integer number (478659610).

Almost surely, 2^1913298103 is an apocalyptic number.

1913298103 is a deficient number, since it is larger than the sum of its proper divisors (1340337).

1913298103 is a wasteful number, since it uses less digits than its factorization.

1913298103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340336.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 1913298103 is about 43741.2631619161. The cubic root of 1913298103 is about 1241.4451809277.

The spelling of 1913298103 in words is "one billion, nine hundred thirteen million, two hundred ninety-eight thousand, one hundred three".