29388940487 has 2 divisors, whose sum is σ = 29388940488. Its totient is φ = 29388940486.

The previous prime is 29388940481. The next prime is 29388940513. The reversal of 29388940487 is 78404988392.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29388940487 - 2¹⁶ = 29388874951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29388940481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14694470243 + 14694470244.

It is an arithmetic number, because the mean of its divisors is an integer number (14694470244).

Almost surely, 2^29388940487 is an apocalyptic number.

29388940487 is a deficient number, since it is larger than the sum of its proper divisors (1).

29388940487 is an equidigital number, since it uses as much as digits as its factorization.

29388940487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27869184, while the sum is 62.

The spelling of 29388940487 in words is "twenty-nine billion, three hundred eighty-eight million, nine hundred forty thousand, four hundred eighty-seven".