2894898961 has 4 divisors (see below), whose sum is σ = 2898723892. Its totient is φ = 2891074032.

The previous prime is 2894898959. The next prime is 2894898967. The reversal of 2894898961 is 1698984982.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1266292225 + 1628606736 = 35585^2 + 40356^2 .

It is a cyclic number.

It is not a de Polignac number, because 2894898961 - 2¹ = 2894898959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2894898893 and 2894898902.

It is not an unprimeable number, because it can be changed into a prime (2894898967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1911330 + ... + 1912843.

It is an arithmetic number, because the mean of its divisors is an integer number (724680973).

Almost surely, 2^2894898961 is an apocalyptic number.

It is an amenable number.

2894898961 is a deficient number, since it is larger than the sum of its proper divisors (3824931).

2894898961 is an equidigital number, since it uses as much as digits as its factorization.

2894898961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3824930.

The product of its digits is 17915904, while the sum is 64.

The square root of 2894898961 is about 53804.2652677276. The cubic root of 2894898961 is about 1425.2065297865.

The spelling of 2894898961 in words is "two billion, eight hundred ninety-four million, eight hundred ninety-eight thousand, nine hundred sixty-one".