2864890697 has 2 divisors, whose sum is σ = 2864890698. Its totient is φ = 2864890696.

The previous prime is 2864890669. The next prime is 2864890727. The reversal of 2864890697 is 7960984682.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2839930681 + 24960016 = 53291^2 + 4996^2 .

It is a cyclic number.

It is not a de Polignac number, because 2864890697 - 2¹⁸ = 2864628553 is a prime.

It is a super-5 number, since 5×2864890697⁵ (a number of 48 digits) contains 55555 as substring.

It is not a weakly prime, because it can be changed into another prime (2864890667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1432445348 + 1432445349.

It is an arithmetic number, because the mean of its divisors is an integer number (1432445349).

Almost surely, 2^2864890697 is an apocalyptic number.

It is an amenable number.

2864890697 is a deficient number, since it is larger than the sum of its proper divisors (1).

2864890697 is an equidigital number, since it uses as much as digits as its factorization.

2864890697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10450944, while the sum is 59.

The square root of 2864890697 is about 53524.6737215651. The cubic root of 2864890697 is about 1420.2648942111.

The spelling of 2864890697 in words is "two billion, eight hundred sixty-four million, eight hundred ninety thousand, six hundred ninety-seven".