2894056641 has 16 divisors (see below), whose sum is σ = 4899990400. Its totient is φ = 1653746544.

The previous prime is 2894056621. The next prime is 2894056657. The reversal of 2894056641 is 1466504982.

2894056641 is a `hidden beast` number, since 2 + 8 + 9 + 40 + 566 + 41 = 666.

It is not a de Polignac number, because 2894056641 - 2⁵ = 2894056609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2894056621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7656046 + ... + 7656423.

It is an arithmetic number, because the mean of its divisors is an integer number (306249400).

Almost surely, 2^2894056641 is an apocalyptic number.

2894056641 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2894056641 is a deficient number, since it is larger than the sum of its proper divisors (2005933759).

2894056641 is a wasteful number, since it uses less digits than its factorization.

2894056641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15312485 (or 15312479 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 2894056641 is about 53796.4370660363. The cubic root of 2894056641 is about 1425.0682870323.

The spelling of 2894056641 in words is "two billion, eight hundred ninety-four million, fifty-six thousand, six hundred forty-one".