29457005639 has 2 divisors, whose sum is σ = 29457005640. Its totient is φ = 29457005638.

The previous prime is 29457005603. The next prime is 29457005707. The reversal of 29457005639 is 93650075492.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29457005639 - 2¹⁶ = 29456940103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29457004639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14728502819 + 14728502820.

It is an arithmetic number, because the mean of its divisors is an integer number (14728502820).

Almost surely, 2^29457005639 is an apocalyptic number.

29457005639 is a deficient number, since it is larger than the sum of its proper divisors (1).

29457005639 is an equidigital number, since it uses as much as digits as its factorization.

29457005639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2041200, while the sum is 50.

The spelling of 29457005639 in words is "twenty-nine billion, four hundred fifty-seven million, five thousand, six hundred thirty-nine".