3540242789 has 2 divisors, whose sum is σ = 3540242790. Its totient is φ = 3540242788.

The previous prime is 3540242759. The next prime is 3540242833. The reversal of 3540242789 is 9872420453.

It is an a-pointer prime, because the next prime (3540242833) can be obtained adding 3540242789 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2923564900 + 616677889 = 54070^2 + 24833^2 .

It is a cyclic number.

It is not a de Polignac number, because 3540242789 - 2¹² = 3540238693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3540242759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1770121394 + 1770121395.

It is an arithmetic number, because the mean of its divisors is an integer number (1770121395).

Almost surely, 2^3540242789 is an apocalyptic number.

It is an amenable number.

3540242789 is a deficient number, since it is larger than the sum of its proper divisors (1).

3540242789 is an equidigital number, since it uses as much as digits as its factorization.

3540242789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 3540242789 is about 59499.9394033305. The cubic root of 3540242789 is about 1524.0914109730.

The spelling of 3540242789 in words is "three billion, five hundred forty million, two hundred forty-two thousand, seven hundred eighty-nine".