3427945598549 has 2 divisors, whose sum is σ = 3427945598550. Its totient is φ = 3427945598548.

The previous prime is 3427945598537. The next prime is 3427945598593. The reversal of 3427945598549 is 9458955497243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3393221884900 + 34723713649 = 1842070^2 + 186343^2 .

It is a cyclic number.

It is not a de Polignac number, because 3427945598549 - 2⁴⁰ = 2328433970773 is a prime.

It is a super-2 number, since 2×3427945598549² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3427945598599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1713972799274 + 1713972799275.

It is an arithmetic number, because the mean of its divisors is an integer number (1713972799275).

Almost surely, 2^{3427945598549} is an apocalyptic number.

It is an amenable number.

3427945598549 is a deficient number, since it is larger than the sum of its proper divisors (1).

3427945598549 is an equidigital number, since it uses as much as digits as its factorization.

3427945598549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552000, while the sum is 74.

The spelling of 3427945598549 in words is "three trillion, four hundred twenty-seven billion, nine hundred forty-five million, five hundred ninety-eight thousand, five hundred forty-nine".