29997506324377 has 2 divisors, whose sum is σ = 29997506324378. Its totient is φ = 29997506324376.

The previous prime is 29997506324351. The next prime is 29997506324419. The reversal of 29997506324377 is 77342360579992.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29903168887641 + 94337436736 = 5468379^2 + 307144^2 .

It is a cyclic number.

It is not a de Polignac number, because 29997506324377 - 2²⁷ = 29997372106649 is a prime.

It is a super-2 number, since 2×29997506324377² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (29997506324477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14998753162188 + 14998753162189.

It is an arithmetic number, because the mean of its divisors is an integer number (14998753162189).

Almost surely, 2^{29997506324377} is an apocalyptic number.

It is an amenable number.

29997506324377 is a deficient number, since it is larger than the sum of its proper divisors (1).

29997506324377 is an equidigital number, since it uses as much as digits as its factorization.

29997506324377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080203040, while the sum is 73.

The spelling of 29997506324377 in words is "twenty-nine trillion, nine hundred ninety-seven billion, five hundred six million, three hundred twenty-four thousand, three hundred seventy-seven".