1869674969 has 2 divisors, whose sum is σ = 1869674970. Its totient is φ = 1869674968.

The previous prime is 1869674957. The next prime is 1869674981. The reversal of 1869674969 is 9694769681.

It is a balanced prime because it is at equal distance from previous prime (1869674957) and next prime (1869674981).

It can be written as a sum of positive squares in only one way, i.e., 1535699344 + 333975625 = 39188^2 + 18275^2 .

It is a cyclic number.

It is not a de Polignac number, because 1869674969 - 2⁴ = 1869674953 is a prime.

It is a super-2 number, since 2×1869674969² = 6991368979410301922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1869674369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 934837484 + 934837485.

It is an arithmetic number, because the mean of its divisors is an integer number (934837485).

Almost surely, 2^1869674969 is an apocalyptic number.

It is an amenable number.

1869674969 is a deficient number, since it is larger than the sum of its proper divisors (1).

1869674969 is an equidigital number, since it uses as much as digits as its factorization.

1869674969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35271936, while the sum is 65.

The square root of 1869674969 is about 43239.7383086438. The cubic root of 1869674969 is about 1231.9375831456.

The spelling of 1869674969 in words is "one billion, eight hundred sixty-nine million, six hundred seventy-four thousand, nine hundred sixty-nine".