13541440291 has 2 divisors, whose sum is σ = 13541440292. Its totient is φ = 13541440290.

The previous prime is 13541440267. The next prime is 13541440307. The reversal of 13541440291 is 19204414531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13541440291 - 2⁵ = 13541440259 is a prime.

It is not a weakly prime, because it can be changed into another prime (13541440261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6770720145 + 6770720146.

It is an arithmetic number, because the mean of its divisors is an integer number (6770720146).

Almost surely, 2^13541440291 is an apocalyptic number.

13541440291 is a deficient number, since it is larger than the sum of its proper divisors (1).

13541440291 is an equidigital number, since it uses as much as digits as its factorization.

13541440291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 13541440291 in words is "thirteen billion, five hundred forty-one million, four hundred forty thousand, two hundred ninety-one".