3900154589 has 2 divisors, whose sum is σ = 3900154590. Its totient is φ = 3900154588.

The previous prime is 3900154553. The next prime is 3900154631. The reversal of 3900154589 is 9854510093.

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., 3355305625 + 544848964 = 57925^2 + 23342^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3900154589 is a prime.

It is a super-2 number, since 2×3900154589² = 30422411636195517842, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3900150589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1950077294 + 1950077295.

It is an arithmetic number, because the mean of its divisors is an integer number (1950077295).

Almost surely, 2^3900154589 is an apocalyptic number.

It is an amenable number.

3900154589 is a deficient number, since it is larger than the sum of its proper divisors (1).

3900154589 is an equidigital number, since it uses as much as digits as its factorization.

3900154589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 44.

The square root of 3900154589 is about 62451.2176742776. The cubic root of 3900154589 is about 1574.0817140065.

The spelling of 3900154589 in words is "three billion, nine hundred million, one hundred fifty-four thousand, five hundred eighty-nine".