3689548493 has 2 divisors, whose sum is σ = 3689548494. Its totient is φ = 3689548492.

The previous prime is 3689548487. The next prime is 3689548529. The reversal of 3689548493 is 3948459863.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3440760964 + 248787529 = 58658^2 + 15773^2 .

It is a cyclic number.

It is not a de Polignac number, because 3689548493 - 2¹⁶ = 3689482957 is a prime.

It is a super-2 number, since 2×3689548493² = 27225536164397142098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3689547493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1844774246 + 1844774247.

It is an arithmetic number, because the mean of its divisors is an integer number (1844774247).

Almost surely, 2^3689548493 is an apocalyptic number.

It is an amenable number.

3689548493 is a deficient number, since it is larger than the sum of its proper divisors (1).

3689548493 is an equidigital number, since it uses as much as digits as its factorization.

3689548493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22394880, while the sum is 59.

The square root of 3689548493 is about 60741.6536900338. The cubic root of 3689548493 is about 1545.2226813926. Note that the first 3 decimals are identical.

The spelling of 3689548493 in words is "three billion, six hundred eighty-nine million, five hundred forty-eight thousand, four hundred ninety-three".