13146958541 has 2 divisors, whose sum is σ = 13146958542. Its totient is φ = 13146958540.

The previous prime is 13146958523. The next prime is 13146958567. The reversal of 13146958541 is 14585964131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12599164516 + 547794025 = 112246^2 + 23405^2 .

It is an emirp because it is prime and its reverse (14585964131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13146958541 - 2²² = 13142764237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13146958441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6573479270 + 6573479271.

It is an arithmetic number, because the mean of its divisors is an integer number (6573479271).

Almost surely, 2^13146958541 is an apocalyptic number.

It is an amenable number.

13146958541 is a deficient number, since it is larger than the sum of its proper divisors (1).

13146958541 is an equidigital number, since it uses as much as digits as its factorization.

13146958541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 518400, while the sum is 47.

The spelling of 13146958541 in words is "thirteen billion, one hundred forty-six million, nine hundred fifty-eight thousand, five hundred forty-one".