469891943113 has 2 divisors, whose sum is σ = 469891943114. Its totient is φ = 469891943112.

The previous prime is 469891943093. The next prime is 469891943159. The reversal of 469891943113 is 311349198964.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 466416604809 + 3475338304 = 682947^2 + 58952^2 .

It is a cyclic number.

It is not a de Polignac number, because 469891943113 - 2³³ = 461302008521 is a prime.

It is not a weakly prime, because it can be changed into another prime (469891943813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234945971556 + 234945971557.

It is an arithmetic number, because the mean of its divisors is an integer number (234945971557).

Almost surely, 2^469891943113 is an apocalyptic number.

It is an amenable number.

469891943113 is a deficient number, since it is larger than the sum of its proper divisors (1).

469891943113 is an equidigital number, since it uses as much as digits as its factorization.

469891943113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5038848, while the sum is 58.

The spelling of 469891943113 in words is "four hundred sixty-nine billion, eight hundred ninety-one million, nine hundred forty-three thousand, one hundred thirteen".