1825465693 has 2 divisors, whose sum is σ = 1825465694. Its totient is φ = 1825465692.

The previous prime is 1825465657. The next prime is 1825465753. The reversal of 1825465693 is 3965645281.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1281783204 + 543682489 = 35802^2 + 23317^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1825465693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1825465613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 912732846 + 912732847.

It is an arithmetic number, because the mean of its divisors is an integer number (912732847).

Almost surely, 2^1825465693 is an apocalyptic number.

It is an amenable number.

1825465693 is a deficient number, since it is larger than the sum of its proper divisors (1).

1825465693 is an equidigital number, since it uses as much as digits as its factorization.

1825465693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1555200, while the sum is 49.

The square root of 1825465693 is about 42725.4689032198. The cubic root of 1825465693 is about 1222.1501304882.

The spelling of 1825465693 in words is "one billion, eight hundred twenty-five million, four hundred sixty-five thousand, six hundred ninety-three".