3578940493 has 2 divisors, whose sum is σ = 3578940494. Its totient is φ = 3578940492.

The previous prime is 3578940481. The next prime is 3578940509. The reversal of 3578940493 is 3940498753.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3310046089 + 268894404 = 57533^2 + 16398^2 .

It is a cyclic number.

It is not a de Polignac number, because 3578940493 - 2²⁹ = 3042069581 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3578940493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3578940473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1789470246 + 1789470247.

It is an arithmetic number, because the mean of its divisors is an integer number (1789470247).

Almost surely, 2^3578940493 is an apocalyptic number.

It is an amenable number.

3578940493 is a deficient number, since it is larger than the sum of its proper divisors (1).

3578940493 is an equidigital number, since it uses as much as digits as its factorization.

3578940493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3265920, while the sum is 52.

The square root of 3578940493 is about 59824.2466981407. The cubic root of 3578940493 is about 1529.6244814385.

The spelling of 3578940493 in words is "three billion, five hundred seventy-eight million, nine hundred forty thousand, four hundred ninety-three".