2997129361 has 4 divisors (see below), whose sum is σ = 2997247924. Its totient is φ = 2997010800.

The previous prime is 2997129353. The next prime is 2997129371. The reversal of 2997129361 is 1639217992.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2918700625 + 78428736 = 54025^2 + 8856^2 .

It is a cyclic number.

It is not a de Polignac number, because 2997129361 - 2³ = 2997129353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2997129371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4470 + ... + 77551.

It is an arithmetic number, because the mean of its divisors is an integer number (749311981).

Almost surely, 2^2997129361 is an apocalyptic number.

It is an amenable number.

2997129361 is a deficient number, since it is larger than the sum of its proper divisors (118563).

2997129361 is an equidigital number, since it uses as much as digits as its factorization.

2997129361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118562.

The product of its digits is 367416, while the sum is 49.

The square root of 2997129361 is about 54746.0442497903. The cubic root of 2997129361 is about 1441.7894037388.

The spelling of 2997129361 in words is "two billion, nine hundred ninety-seven million, one hundred twenty-nine thousand, three hundred sixty-one".