730859139409 has 45 divisors (see below), whose sum is σ = 868090073883. Its totient is φ = 615283947936.

The previous prime is 730859139359. The next prime is 730859139469. The reversal of 730859139409 is 904931958037.

The square root of 730859139409 is 854903.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 414871251025 + 315987888384 = 644105^2 + 562128^2 .

It is not a de Polignac number, because 730859139409 - 2¹⁷ = 730859008337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (730859139469) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 3057987912 + ... + 3057988150.

Almost surely, 2^730859139409 is an apocalyptic number.

730859139409 is the 854903-rd square number.

730859139409 is the 427452-nd centered octagonal number.

It is an amenable number.

730859139409 is a deficient number, since it is larger than the sum of its proper divisors (137230934474).

730859139409 is an frugal number, since it uses more digits than its factorization.

730859139409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 7348320, while the sum is 58.

The spelling of 730859139409 in words is "seven hundred thirty billion, eight hundred fifty-nine million, one hundred thirty-nine thousand, four hundred nine".