2646410897 has 8 divisors (see below), whose sum is σ = 2853430440. Its totient is φ = 2439884160.

The previous prime is 2646410881. The next prime is 2646410941. The reversal of 2646410897 is 7980146462.

2646410897 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 4 ways, for example, as 230098561 + 2416312336 = 15169^2 + 49156^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2646410897 - 2⁴ = 2646410881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2646410197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112004 + ... + 133557.

It is an arithmetic number, because the mean of its divisors is an integer number (356678805).

Almost surely, 2^2646410897 is an apocalyptic number.

It is an amenable number.

2646410897 is a deficient number, since it is larger than the sum of its proper divisors (207019543).

2646410897 is a wasteful number, since it uses less digits than its factorization.

2646410897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246403.

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 2646410897 is about 51443.2784433496. The cubic root of 2646410897 is about 1383.2024793178.

The spelling of 2646410897 in words is "two billion, six hundred forty-six million, four hundred ten thousand, eight hundred ninety-seven".