828698453641 has 2 divisors, whose sum is σ = 828698453642. Its totient is φ = 828698453640.

The previous prime is 828698453633. The next prime is 828698453647. The reversal of 828698453641 is 146354896828.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 814686760000 + 14011693641 = 902600^2 + 118371^2 .

It is a cyclic number.

It is not a de Polignac number, because 828698453641 - 2³ = 828698453633 is a prime.

It is a super-2 number, since 2×828698453641² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (828698453647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 414349226820 + 414349226821.

It is an arithmetic number, because the mean of its divisors is an integer number (414349226821).

Almost surely, 2^828698453641 is an apocalyptic number.

It is an amenable number.

828698453641 is a deficient number, since it is larger than the sum of its proper divisors (1).

828698453641 is an equidigital number, since it uses as much as digits as its factorization.

828698453641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 79626240, while the sum is 64.

The spelling of 828698453641 in words is "eight hundred twenty-eight billion, six hundred ninety-eight million, four hundred fifty-three thousand, six hundred forty-one".