3989098901429 has 2 divisors, whose sum is σ = 3989098901430. Its totient is φ = 3989098901428.

The previous prime is 3989098901363. The next prime is 3989098901461. The reversal of 3989098901429 is 9241098909893.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2629489264900 + 1359609636529 = 1621570^2 + 1166023^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3989098901429 is a prime.

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 (3989098901329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1994549450714 + 1994549450715.

It is an arithmetic number, because the mean of its divisors is an integer number (1994549450715).

Almost surely, 2^{3989098901429} is an apocalyptic number.

It is an amenable number.

3989098901429 is a deficient number, since it is larger than the sum of its proper divisors (1).

3989098901429 is an equidigital number, since it uses as much as digits as its factorization.

3989098901429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90699264, while the sum is 71.

The spelling of 3989098901429 in words is "three trillion, nine hundred eighty-nine billion, ninety-eight million, nine hundred one thousand, four hundred twenty-nine".