1994048259899 has 2 divisors, whose sum is σ = 1994048259900. Its totient is φ = 1994048259898.

The previous prime is 1994048259893. The next prime is 1994048259943. The reversal of 1994048259899 is 9989528404991.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1994048259899 - 2²⁴ = 1994031482683 is a prime.

It is a super-3 number, since 3×1994048259899³ (a number of 38 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1994048259893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 997024129949 + 997024129950.

It is an arithmetic number, because the mean of its divisors is an integer number (997024129950).

Almost surely, 2^{1994048259899} is an apocalyptic number.

1994048259899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1994048259899 is an equidigital number, since it uses as much as digits as its factorization.

1994048259899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 604661760, while the sum is 77.

The spelling of 1994048259899 in words is "one trillion, nine hundred ninety-four billion, forty-eight million, two hundred fifty-nine thousand, eight hundred ninety-nine".