733008233281 has 9 divisors (see below), whose sum is σ = 773635276323. Its totient is φ = 694413441720.

The previous prime is 733008233261. The next prime is 733008233291. The reversal of 733008233281 is 182332800337.

The square root of 733008233281 is 856159.

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., 671811368881 + 61196864400 = 819641^2 + 247380^2 .

It is not a de Polignac number, because 733008233281 - 2²¹ = 733006136129 is a prime.

It is a super-2 number, since 2×733008233281² (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 (733008233261) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 16244491 + ... + 16289551.

It is an arithmetic number, because the mean of its divisors is an integer number (85959475147).

Almost surely, 2^733008233281 is an apocalyptic number.

733008233281 is the 856159-th square number.

733008233281 is the 428080-th centered octagonal number.

It is an amenable number.

733008233281 is a deficient number, since it is larger than the sum of its proper divisors (40627043042).

733008233281 is an frugal number, since it uses more digits than its factorization.

733008233281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90160 (or 45080 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

It can be divided in two parts, 733008 and 233281, that added together give a square (966289 = 983²).

The spelling of 733008233281 in words is "seven hundred thirty-three billion, eight million, two hundred thirty-three thousand, two hundred eighty-one".