465870389 has 2 divisors, whose sum is σ = 465870390. Its totient is φ = 465870388.

The previous prime is 465870373. The next prime is 465870401. The reversal of 465870389 is 983078564.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 264712900 + 201157489 = 16270^2 + 14183^2 .

It is a cyclic number.

It is not a de Polignac number, because 465870389 - 2⁴ = 465870373 is a prime.

It is a super-3 number, since 3×465870389³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (465870089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232935194 + 232935195.

It is an arithmetic number, because the mean of its divisors is an integer number (232935195).

Almost surely, 2^465870389 is an apocalyptic number.

It is an amenable number.

465870389 is a deficient number, since it is larger than the sum of its proper divisors (1).

465870389 is an equidigital number, since it uses as much as digits as its factorization.

465870389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 465870389 is about 21584.0308793330. The cubic root of 465870389 is about 775.2141698760.

The spelling of 465870389 in words is "four hundred sixty-five million, eight hundred seventy thousand, three hundred eighty-nine".