2897309249280 has 1296 divisors, whose sum is σ = 11228909275584. Its totient is φ = 688253829120.

The previous prime is 2897309249269. The next prime is 2897309249323. The reversal of 2897309249280 is 829429037982.

2897309249280 is a `hidden beast` number, since 2 + 8 + 9 + 7 + 309 + 2 + 49 + 280 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 12022029960 + ... + 12022030200.

Almost surely, 2^{2897309249280} is an apocalyptic number.

2897309249280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2897309249280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5614454637792).

2897309249280 is an abundant number, since it is smaller than the sum of its proper divisors (8331600026304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2897309249280 is a wasteful number, since it uses less digits than its factorization.

2897309249280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 63.

The spelling of 2897309249280 in words is "two trillion, eight hundred ninety-seven billion, three hundred nine million, two hundred forty-nine thousand, two hundred eighty".