457804215541 has 2 divisors, whose sum is σ = 457804215542. Its totient is φ = 457804215540.

The previous prime is 457804215527. The next prime is 457804215571. The reversal of 457804215541 is 145512408754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 418959747441 + 38844468100 = 647271^2 + 197090^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-457804215541 is a prime.

It is a super-2 number, since 2×457804215541² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 457804215491 and 457804215500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (457804215571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228902107770 + 228902107771.

It is an arithmetic number, because the mean of its divisors is an integer number (228902107771).

Almost surely, 2^457804215541 is an apocalyptic number.

It is an amenable number.

457804215541 is a deficient number, since it is larger than the sum of its proper divisors (1).

457804215541 is an equidigital number, since it uses as much as digits as its factorization.

457804215541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896000, while the sum is 46.

The spelling of 457804215541 in words is "four hundred fifty-seven billion, eight hundred four million, two hundred fifteen thousand, five hundred forty-one".