549320325431 has 2 divisors, whose sum is σ = 549320325432. Its totient is φ = 549320325430.

The previous prime is 549320325353. The next prime is 549320325509. The reversal of 549320325431 is 134523023945.

It is a balanced prime because it is at equal distance from previous prime (549320325353) and next prime (549320325509).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-549320325431 is a prime.

It is a super-2 number, since 2×549320325431² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (549320385431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274660162715 + 274660162716.

It is an arithmetic number, because the mean of its divisors is an integer number (274660162716).

Almost surely, 2^549320325431 is an apocalyptic number.

549320325431 is a deficient number, since it is larger than the sum of its proper divisors (1).

549320325431 is an equidigital number, since it uses as much as digits as its factorization.

549320325431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 549320325431 in words is "five hundred forty-nine billion, three hundred twenty million, three hundred twenty-five thousand, four hundred thirty-one".