733998287169 has 81 divisors (see below), whose sum is σ = 1281535181121. Its totient is φ = 419150009880.

The previous prime is 733998287167. The next prime is 733998287177. The reversal of 733998287169 is 961782899337.

The square root of 733998287169 is 856737.

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

733998287169 is a `hidden beast` number, since 7 + 339 + 9 + 8 + 287 + 1 + 6 + 9 = 666.

It is a tau number, because it is divible by the number of its divisors (81).

It is not a de Polignac number, because 733998287169 - 2¹ = 733998287167 is a prime.

It is a super-2 number, since 2×733998287169² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 733998287097 and 733998287106.

It is not an unprimeable number, because it can be changed into a prime (733998287167) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 485769124 + ... + 485770634.

Almost surely, 2^733998287169 is an apocalyptic number.

733998287169 is the 856737-th square number.

733998287169 is the 428369-th centered octagonal number.

It is an amenable number.

733998287169 is a deficient number, since it is larger than the sum of its proper divisors (547536893952).

733998287169 is an frugal number, since it uses more digits than its factorization.

733998287169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3060 (or 1521 counting only the distinct ones).

The product of its digits is 246903552, while the sum is 72.

The spelling of 733998287169 in words is "seven hundred thirty-three billion, nine hundred ninety-eight million, two hundred eighty-seven thousand, one hundred sixty-nine".