730408386281 has 16 divisors (see below), whose sum is σ = 889708896000. Its totient is φ = 585334771200.

The previous prime is 730408386241. The next prime is 730408386317. The reversal of 730408386281 is 182683804037.

It is a cyclic number.

It is not a de Polignac number, because 730408386281 - 2³⁴ = 713228517097 is a prime.

It is a super-2 number, since 2×730408386281² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (730408386241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20306156 + ... + 20342093.

It is an arithmetic number, because the mean of its divisors is an integer number (55606806000).

Almost surely, 2^730408386281 is an apocalyptic number.

It is an amenable number.

730408386281 is a deficient number, since it is larger than the sum of its proper divisors (159300509719).

730408386281 is a wasteful number, since it uses less digits than its factorization.

730408386281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40648424.

The product of its (nonzero) digits is 1548288, while the sum is 50.

The spelling of 730408386281 in words is "seven hundred thirty billion, four hundred eight million, three hundred eighty-six thousand, two hundred eighty-one".