13995428191 has 2 divisors, whose sum is σ = 13995428192. Its totient is φ = 13995428190.

The previous prime is 13995428131. The next prime is 13995428219. The reversal of 13995428191 is 19182459931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13995428191 - 2²¹ = 13993331039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13995428131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6997714095 + 6997714096.

It is an arithmetic number, because the mean of its divisors is an integer number (6997714096).

Almost surely, 2^13995428191 is an apocalyptic number.

13995428191 is a deficient number, since it is larger than the sum of its proper divisors (1).

13995428191 is an equidigital number, since it uses as much as digits as its factorization.

13995428191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 699840, while the sum is 52.

The spelling of 13995428191 in words is "thirteen billion, nine hundred ninety-five million, four hundred twenty-eight thousand, one hundred ninety-one".