481897693 has 2 divisors, whose sum is σ = 481897694. Its totient is φ = 481897692.

The previous prime is 481897687. The next prime is 481897699. The reversal of 481897693 is 396798184.

It is a balanced prime because it is at equal distance from previous prime (481897687) and next prime (481897699).

It can be written as a sum of positive squares in only one way, i.e., 478646884 + 3250809 = 21878^2 + 1803^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-481897693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (481897699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240948846 + 240948847.

It is an arithmetic number, because the mean of its divisors is an integer number (240948847).

Almost surely, 2^481897693 is an apocalyptic number.

It is an amenable number.

481897693 is a deficient number, since it is larger than the sum of its proper divisors (1).

481897693 is an equidigital number, since it uses as much as digits as its factorization.

481897693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2612736, while the sum is 55.

The square root of 481897693 is about 21952.1682983709. The cubic root of 481897693 is about 784.0040070989.

The spelling of 481897693 in words is "four hundred eighty-one million, eight hundred ninety-seven thousand, six hundred ninety-three".