662236351541 has 2 divisors, whose sum is σ = 662236351542. Its totient is φ = 662236351540.

The previous prime is 662236351507. The next prime is 662236351549. The reversal of 662236351541 is 145153632266.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 368271777316 + 293964574225 = 606854^2 + 542185^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-662236351541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 662236351492 and 662236351501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (662236351549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331118175770 + 331118175771.

It is an arithmetic number, because the mean of its divisors is an integer number (331118175771).

Almost surely, 2^662236351541 is an apocalyptic number.

It is an amenable number.

662236351541 is a deficient number, since it is larger than the sum of its proper divisors (1).

662236351541 is an equidigital number, since it uses as much as digits as its factorization.

662236351541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 777600, while the sum is 44.

The spelling of 662236351541 in words is "six hundred sixty-two billion, two hundred thirty-six million, three hundred fifty-one thousand, five hundred forty-one".