1807957013 has 2 divisors, whose sum is σ = 1807957014. Its totient is φ = 1807957012.

The previous prime is 1807957003. The next prime is 1807957031. The reversal of 1807957013 is 3107597081.

Together with next prime (1807957031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1695957124 + 111999889 = 41182^2 + 10583^2 .

It is a cyclic number.

It is not a de Polignac number, because 1807957013 - 2⁸ = 1807956757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1807957003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 903978506 + 903978507.

It is an arithmetic number, because the mean of its divisors is an integer number (903978507).

Almost surely, 2^1807957013 is an apocalyptic number.

It is an amenable number.

1807957013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1807957013 is an equidigital number, since it uses as much as digits as its factorization.

1807957013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 41.

The square root of 1807957013 is about 42520.0777633343. The cubic root of 1807957013 is about 1218.2302147522.

The spelling of 1807957013 in words is "one billion, eight hundred seven million, nine hundred fifty-seven thousand, thirteen".