2897290012644 has 36 divisors (see below), whose sum is σ = 7334035001020. Its totient is φ = 964401180480.

The previous prime is 2897290012601. The next prime is 2897290012657. The reversal of 2897290012644 is 4462100927982.

It is a happy number.

2897290012644 is a `hidden beast` number, since 2 + 8 + 97 + 290 + 0 + 1 + 264 + 4 = 666.

2897290012644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1400288822244 + 1497001190400 = 1183338^2 + 1223520^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56730667 + ... + 56781714.

Almost surely, 2^{2897290012644} is an apocalyptic number.

It is an amenable number.

2897290012644 is an abundant number, since it is smaller than the sum of its proper divisors (4436744988376).

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

2897290012644 is a wasteful number, since it uses less digits than its factorization.

2897290012644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113513100 (or 113513095 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 2897290012644 in words is "two trillion, eight hundred ninety-seven billion, two hundred ninety million, twelve thousand, six hundred forty-four".