1889280713 has 16 divisors (see below), whose sum is σ = 2025777600. Its totient is φ = 1756592640.

The previous prime is 1889280689. The next prime is 1889280721. The reversal of 1889280713 is 3170829881.

It is a cyclic number.

It is not a de Polignac number, because 1889280713 - 2¹⁶ = 1889215177 is a prime.

It is a super-2 number, since 2×1889280713² = 7138763225027576738, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1889280773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 986645 + ... + 988557.

It is an arithmetic number, because the mean of its divisors is an integer number (126611100).

Almost surely, 2^1889280713 is an apocalyptic number.

It is an amenable number.

1889280713 is a deficient number, since it is larger than the sum of its proper divisors (136496887).

1889280713 is a wasteful number, since it uses less digits than its factorization.

1889280713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2872.

The product of its (nonzero) digits is 193536, while the sum is 47.

The square root of 1889280713 is about 43465.8568649003. The cubic root of 1889280713 is about 1236.2287241713.

The spelling of 1889280713 in words is "one billion, eight hundred eighty-nine million, two hundred eighty thousand, seven hundred thirteen".