1913200341349 has 6 divisors (see below), whose sum is σ = 2102939218310. Its totient is φ = 1739273037480.

The previous prime is 1913200341347. The next prime is 1913200341379. The reversal of 1913200341349 is 9431430023191.

It can be written as a sum of positive squares in only one way, i.e., 1901591356324 + 11608985025 = 1378982^2 + 107745^2 .

It is not a de Polignac number, because 1913200341349 - 2¹ = 1913200341347 is a prime.

It is a super-2 number, since 2×1913200341349² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1913200341347) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7905786414 + ... + 7905786655.

Almost surely, 2^{1913200341349} is an apocalyptic number.

It is an amenable number.

1913200341349 is a deficient number, since it is larger than the sum of its proper divisors (189738876961).

1913200341349 is a wasteful number, since it uses less digits than its factorization.

1913200341349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15811573091 (or 15811573080 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 40.

The spelling of 1913200341349 in words is "one trillion, nine hundred thirteen billion, two hundred million, three hundred forty-one thousand, three hundred forty-nine".