3532649389 has 2 divisors, whose sum is σ = 3532649390. Its totient is φ = 3532649388.

The previous prime is 3532649387. The next prime is 3532649431. The reversal of 3532649389 is 9839462353.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1961161225 + 1571488164 = 44285^2 + 39642^2 .

It is a cyclic number.

It is not a de Polignac number, because 3532649389 - 2¹ = 3532649387 is a prime.

It is a super-2 number, since 2×3532649389² = 24959223411204146642, which contains 22 as substring.

Together with 3532649387, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3532649387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1766324694 + 1766324695.

It is an arithmetic number, because the mean of its divisors is an integer number (1766324695).

Almost surely, 2^3532649389 is an apocalyptic number.

It is an amenable number.

3532649389 is a deficient number, since it is larger than the sum of its proper divisors (1).

3532649389 is an equidigital number, since it uses as much as digits as its factorization.

3532649389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4199040, while the sum is 52.

The square root of 3532649389 is about 59436.0950012701. The cubic root of 3532649389 is about 1523.0009660001. Note that the first 3 decimals are identical.

The spelling of 3532649389 in words is "three billion, five hundred thirty-two million, six hundred forty-nine thousand, three hundred eighty-nine".