1955110613 has 2 divisors, whose sum is σ = 1955110614. Its totient is φ = 1955110612.

The previous prime is 1955110523. The next prime is 1955110639. The reversal of 1955110613 is 3160115591.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1277133169 + 677977444 = 35737^2 + 26038^2 .

It is an emirp because it is prime and its reverse (3160115591) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1955110613 - 2¹⁰ = 1955109589 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1955110613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1955119613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 977555306 + 977555307.

It is an arithmetic number, because the mean of its divisors is an integer number (977555307).

Almost surely, 2^1955110613 is an apocalyptic number.

It is an amenable number.

1955110613 is a deficient number, since it is larger than the sum of its proper divisors (1).

1955110613 is an equidigital number, since it uses as much as digits as its factorization.

1955110613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4050, while the sum is 32.

The square root of 1955110613 is about 44216.6327641534. The cubic root of 1955110613 is about 1250.4234539732.

The spelling of 1955110613 in words is "one billion, nine hundred fifty-five million, one hundred ten thousand, six hundred thirteen".