1682426461 has 2 divisors, whose sum is σ = 1682426462. Its totient is φ = 1682426460.

The previous prime is 1682426453. The next prime is 1682426467. The reversal of 1682426461 is 1646242861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 942858436 + 739568025 = 30706^2 + 27195^2 .

It is an emirp because it is prime and its reverse (1646242861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1682426461 - 2³ = 1682426453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1682426467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 841213230 + 841213231.

It is an arithmetic number, because the mean of its divisors is an integer number (841213231).

Almost surely, 2^1682426461 is an apocalyptic number.

It is an amenable number.

1682426461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1682426461 is an equidigital number, since it uses as much as digits as its factorization.

1682426461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 40.

The square root of 1682426461 is about 41017.3921769778. The cubic root of 1682426461 is about 1189.3564443899.

The spelling of 1682426461 in words is "one billion, six hundred eighty-two million, four hundred twenty-six thousand, four hundred sixty-one".