29271445979 has 2 divisors, whose sum is σ = 29271445980. Its totient is φ = 29271445978.

The previous prime is 29271445919. The next prime is 29271446021. The reversal of 29271445979 is 97954417292.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 29271445979 - 2¹⁶ = 29271380443 is a prime.

It is not a weakly prime, because it can be changed into another prime (29271445919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14635722989 + 14635722990.

It is an arithmetic number, because the mean of its divisors is an integer number (14635722990).

Almost surely, 2^29271445979 is an apocalyptic number.

29271445979 is a deficient number, since it is larger than the sum of its proper divisors (1).

29271445979 is an equidigital number, since it uses as much as digits as its factorization.

29271445979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11430720, while the sum is 59.

The spelling of 29271445979 in words is "twenty-nine billion, two hundred seventy-one million, four hundred forty-five thousand, nine hundred seventy-nine".