1656234133441 has 2 divisors, whose sum is σ = 1656234133442. Its totient is φ = 1656234133440.

The previous prime is 1656234133373. The next prime is 1656234133451. The reversal of 1656234133441 is 1443314326561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1510096899600 + 146137233841 = 1228860^2 + 382279^2 .

It is a cyclic number.

It is not a de Polignac number, because 1656234133441 - 2⁷ = 1656234133313 is a prime.

It is a super-2 number, since 2×1656234133441² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1656234133451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 828117066720 + 828117066721.

It is an arithmetic number, because the mean of its divisors is an integer number (828117066721).

Almost surely, 2^{1656234133441} is an apocalyptic number.

It is an amenable number.

1656234133441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1656234133441 is an equidigital number, since it uses as much as digits as its factorization.

1656234133441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 43.

The spelling of 1656234133441 in words is "one trillion, six hundred fifty-six billion, two hundred thirty-four million, one hundred thirty-three thousand, four hundred forty-one".