3898437006899 has 2 divisors, whose sum is σ = 3898437006900. Its totient is φ = 3898437006898.

The previous prime is 3898437006869. The next prime is 3898437006931. The reversal of 3898437006899 is 9986007348983.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3898437006899 - 2²⁰ = 3898435958323 is a prime.

It is a super-2 number, since 2×3898437006899² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3898437006809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1949218503449 + 1949218503450.

It is an arithmetic number, because the mean of its divisors is an integer number (1949218503450).

Almost surely, 2^{3898437006899} is an apocalyptic number.

3898437006899 is a deficient number, since it is larger than the sum of its proper divisors (1).

3898437006899 is an equidigital number, since it uses as much as digits as its factorization.

3898437006899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 564350976, while the sum is 74.

The spelling of 3898437006899 in words is "three trillion, eight hundred ninety-eight billion, four hundred thirty-seven million, six thousand, eight hundred ninety-nine".