2670897869 has 2 divisors, whose sum is σ = 2670897870. Its totient is φ = 2670897868.

The previous prime is 2670897769. The next prime is 2670897923. The reversal of 2670897869 is 9687980762.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2497000900 + 173896969 = 49970^2 + 13187^2 .

It is a cyclic number.

It is not a de Polignac number, because 2670897869 - 2⁸ = 2670897613 is a prime.

It is a super-2 number, since 2×2670897869² = 14267390853257482322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2670897169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1335448934 + 1335448935.

It is an arithmetic number, because the mean of its divisors is an integer number (1335448935).

Almost surely, 2^2670897869 is an apocalyptic number.

It is an amenable number.

2670897869 is a deficient number, since it is larger than the sum of its proper divisors (1).

2670897869 is an equidigital number, since it uses as much as digits as its factorization.

2670897869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18289152, while the sum is 62.

The square root of 2670897869 is about 51680.7301515758. The cubic root of 2670897869 is about 1387.4555990878.

The spelling of 2670897869 in words is "two billion, six hundred seventy million, eight hundred ninety-seven thousand, eight hundred sixty-nine".