13550313943 has 2 divisors, whose sum is σ = 13550313944. Its totient is φ = 13550313942.

The previous prime is 13550313859. The next prime is 13550313989. The reversal of 13550313943 is 34931305531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13550313943 - 2¹³ = 13550305751 is a prime.

It is a super-2 number, since 2×13550313943² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13550313143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6775156971 + 6775156972.

It is an arithmetic number, because the mean of its divisors is an integer number (6775156972).

Almost surely, 2^13550313943 is an apocalyptic number.

13550313943 is a deficient number, since it is larger than the sum of its proper divisors (1).

13550313943 is an equidigital number, since it uses as much as digits as its factorization.

13550313943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72900, while the sum is 37.

The spelling of 13550313943 in words is "thirteen billion, five hundred fifty million, three hundred thirteen thousand, nine hundred forty-three".