3480042389 has 2 divisors, whose sum is σ = 3480042390. Its totient is φ = 3480042388.

The previous prime is 3480042373. The next prime is 3480042421. The reversal of 3480042389 is 9832400843.

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., 1745986225 + 1734056164 = 41785^2 + 41642^2 .

It is an emirp because it is prime and its reverse (9832400843) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3480042389 - 2⁴ = 3480042373 is a prime.

It is a super-2 number, since 2×3480042389² = 24221390058473654642, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3480042329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1740021194 + 1740021195.

It is an arithmetic number, because the mean of its divisors is an integer number (1740021195).

Almost surely, 2^3480042389 is an apocalyptic number.

It is an amenable number.

3480042389 is a deficient number, since it is larger than the sum of its proper divisors (1).

3480042389 is an equidigital number, since it uses as much as digits as its factorization.

3480042389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 3480042389 is about 58991.8840943396. The cubic root of 3480042389 is about 1515.4031231991.

The spelling of 3480042389 in words is "three billion, four hundred eighty million, forty-two thousand, three hundred eighty-nine".