1913427013 has 2 divisors, whose sum is σ = 1913427014. Its totient is φ = 1913427012.

The previous prime is 1913427007. The next prime is 1913427023. The reversal of 1913427013 is 3107243191.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1338242724 + 575184289 = 36582^2 + 23983^2 .

It is a cyclic number.

It is not a de Polignac number, because 1913427013 - 2¹³ = 1913418821 is a prime.

It is a super-3 number, since 3×1913427013³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1913427023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 956713506 + 956713507.

It is an arithmetic number, because the mean of its divisors is an integer number (956713507).

Almost surely, 2^1913427013 is an apocalyptic number.

It is an amenable number.

1913427013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1913427013 is an equidigital number, since it uses as much as digits as its factorization.

1913427013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 1913427013 is about 43742.7366885064. The cubic root of 1913427013 is about 1241.4730614244.

The spelling of 1913427013 in words is "one billion, nine hundred thirteen million, four hundred twenty-seven thousand, thirteen".