297138704330 has 32 divisors (see below), whose sum is σ = 583882269264. Its totient is φ = 108209834496.

The previous prime is 297138704327. The next prime is 297138704449. The reversal of 297138704330 is 33407831792.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 13104067729 + 284034636601 = 114473^2 + 532949^2 .

It is a super-2 number, since 2×297138704330² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15645869 + ... + 15664848.

Almost surely, 2^297138704330 is an apocalyptic number.

297138704330 is a deficient number, since it is larger than the sum of its proper divisors (286743564934).

297138704330 is a wasteful number, since it uses less digits than its factorization.

297138704330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31310810.

The product of its (nonzero) digits is 762048, while the sum is 47.

The spelling of 297138704330 in words is "two hundred ninety-seven billion, one hundred thirty-eight million, seven hundred four thousand, three hundred thirty".