297120947065 has 16 divisors (see below), whose sum is σ = 363507426000. Its totient is φ = 233061034752.

The previous prime is 297120947063. The next prime is 297120947083. The reversal of 297120947065 is 560749021792.

It can be written as a sum of positive squares in 8 ways, for example, as 19321 + 297120927744 = 139^2 + 545088^2 .

It is a cyclic number.

It is not a de Polignac number, because 297120947065 - 2¹ = 297120947063 is a prime.

It is a super-2 number, since 2×297120947065² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (297120947063) 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, 48571 + ... + 772399.

It is an arithmetic number, because the mean of its divisors is an integer number (22719214125).

Almost surely, 2^297120947065 is an apocalyptic number.

It is an amenable number.

297120947065 is a deficient number, since it is larger than the sum of its proper divisors (66386478935).

297120947065 is a wasteful number, since it uses less digits than its factorization.

297120947065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725436.

The product of its (nonzero) digits is 1905120, while the sum is 52.

The spelling of 297120947065 in words is "two hundred ninety-seven billion, one hundred twenty million, nine hundred forty-seven thousand, sixty-five".