481821141757 has 2 divisors, whose sum is σ = 481821141758. Its totient is φ = 481821141756.

The previous prime is 481821141731. The next prime is 481821141803. The reversal of 481821141757 is 757141128184.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 305882000356 + 175939141401 = 553066^2 + 419451^2 .

It is a cyclic number.

It is not a de Polignac number, because 481821141757 - 2¹⁹ = 481820617469 is a prime.

It is a super-2 number, since 2×481821141757² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 481821141757.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (481821141707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240910570878 + 240910570879.

It is an arithmetic number, because the mean of its divisors is an integer number (240910570879).

Almost surely, 2^481821141757 is an apocalyptic number.

It is an amenable number.

481821141757 is a deficient number, since it is larger than the sum of its proper divisors (1).

481821141757 is an equidigital number, since it uses as much as digits as its factorization.

481821141757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 501760, while the sum is 49.

The spelling of 481821141757 in words is "four hundred eighty-one billion, eight hundred twenty-one million, one hundred forty-one thousand, seven hundred fifty-seven".