3640152090389 has 4 divisors (see below), whose sum is σ = 3708834205356. Its totient is φ = 3571469975424.

The previous prime is 3640152090361. The next prime is 3640152090427. The reversal of 3640152090389 is 9830902510463.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2294164622500 + 1345987467889 = 1514650^2 + 1160167^2 .

It is a cyclic number.

It is not a de Polignac number, because 3640152090389 - 2²⁴ = 3640135313173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3640152090329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34341057404 + ... + 34341057509.

It is an arithmetic number, because the mean of its divisors is an integer number (927208551339).

Almost surely, 2^{3640152090389} is an apocalyptic number.

It is an amenable number.

3640152090389 is a deficient number, since it is larger than the sum of its proper divisors (68682114967).

3640152090389 is an equidigital number, since it uses as much as digits as its factorization.

3640152090389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68682114966.

The product of its (nonzero) digits is 1399680, while the sum is 50.

The spelling of 3640152090389 in words is "three trillion, six hundred forty billion, one hundred fifty-two million, ninety thousand, three hundred eighty-nine".