2631043575541 has 2 divisors, whose sum is σ = 2631043575542. Its totient is φ = 2631043575540.

The previous prime is 2631043575539. The next prime is 2631043575547. The reversal of 2631043575541 is 1455753401362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2373898236516 + 257145339025 = 1540746^2 + 507095^2 .

It is a cyclic number.

It is not a de Polignac number, because 2631043575541 - 2¹ = 2631043575539 is a prime.

Together with 2631043575539, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2631043575491 and 2631043575500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2631043575547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1315521787770 + 1315521787771.

It is an arithmetic number, because the mean of its divisors is an integer number (1315521787771).

Almost surely, 2^{2631043575541} is an apocalyptic number.

It is an amenable number.

2631043575541 is a deficient number, since it is larger than the sum of its proper divisors (1).

2631043575541 is an equidigital number, since it uses as much as digits as its factorization.

2631043575541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512000, while the sum is 46.

The spelling of 2631043575541 in words is "two trillion, six hundred thirty-one billion, forty-three million, five hundred seventy-five thousand, five hundred forty-one".