3548668493 has 2 divisors, whose sum is σ = 3548668494. Its totient is φ = 3548668492.

The previous prime is 3548668489. The next prime is 3548668507. The reversal of 3548668493 is 3948668453.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3128500489 + 420168004 = 55933^2 + 20498^2 .

It is a cyclic number.

It is not a de Polignac number, because 3548668493 - 2² = 3548668489 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3548668093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1774334246 + 1774334247.

It is an arithmetic number, because the mean of its divisors is an integer number (1774334247).

Almost surely, 2^3548668493 is an apocalyptic number.

It is an amenable number.

3548668493 is a deficient number, since it is larger than the sum of its proper divisors (1).

3548668493 is an equidigital number, since it uses as much as digits as its factorization.

3548668493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14929920, while the sum is 56.

The square root of 3548668493 is about 59570.7016325979. The cubic root of 3548668493 is about 1525.2995549503.

The spelling of 3548668493 in words is "three billion, five hundred forty-eight million, six hundred sixty-eight thousand, four hundred ninety-three".