29213980091 has 2 divisors, whose sum is σ = 29213980092. Its totient is φ = 29213980090.

The previous prime is 29213980087. The next prime is 29213980207. The reversal of 29213980091 is 19008931292.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29213980091 - 2² = 29213980087 is a prime.

It is not a weakly prime, because it can be changed into another prime (29213980391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14606990045 + 14606990046.

It is an arithmetic number, because the mean of its divisors is an integer number (14606990046).

Almost surely, 2^29213980091 is an apocalyptic number.

29213980091 is a deficient number, since it is larger than the sum of its proper divisors (1).

29213980091 is an equidigital number, since it uses as much as digits as its factorization.

29213980091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 44.

The spelling of 29213980091 in words is "twenty-nine billion, two hundred thirteen million, nine hundred eighty thousand, ninety-one".