2645897970455 has 16 divisors (see below), whose sum is σ = 3198342234144. Its totient is φ = 2101234262400.

The previous prime is 2645897970451. The next prime is 2645897970493. The reversal of 2645897970455 is 5540797985462.

It is not a de Polignac number, because 2645897970455 - 2² = 2645897970451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2645897970451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 778472 + ... + 2428541.

It is an arithmetic number, because the mean of its divisors is an integer number (199896389634).

Almost surely, 2^{2645897970455} is an apocalyptic number.

2645897970455 is a deficient number, since it is larger than the sum of its proper divisors (552444263689).

2645897970455 is a wasteful number, since it uses less digits than its factorization.

2645897970455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3208226.

The product of its (nonzero) digits is 762048000, while the sum is 71.

The spelling of 2645897970455 in words is "two trillion, six hundred forty-five billion, eight hundred ninety-seven million, nine hundred seventy thousand, four hundred fifty-five".