29389138463 has 2 divisors, whose sum is σ = 29389138464. Its totient is φ = 29389138462.

The previous prime is 29389138409. The next prime is 29389138481. The reversal of 29389138463 is 36483198392.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 29389138463 - 2²⁶ = 29322029599 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 29389138399 and 29389138408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29389138063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14694569231 + 14694569232.

It is an arithmetic number, because the mean of its divisors is an integer number (14694569232).

Almost surely, 2^29389138463 is an apocalyptic number.

29389138463 is a deficient number, since it is larger than the sum of its proper divisors (1).

29389138463 is an equidigital number, since it uses as much as digits as its factorization.

29389138463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6718464, while the sum is 56.

The spelling of 29389138463 in words is "twenty-nine billion, three hundred eighty-nine million, one hundred thirty-eight thousand, four hundred sixty-three".