29270084639 has 2 divisors, whose sum is σ = 29270084640. Its totient is φ = 29270084638.

The previous prime is 29270084621. The next prime is 29270084677. The reversal of 29270084639 is 93648007292.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29270084639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29270084689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14635042319 + 14635042320.

It is an arithmetic number, because the mean of its divisors is an integer number (14635042320).

Almost surely, 2^29270084639 is an apocalyptic number.

29270084639 is a deficient number, since it is larger than the sum of its proper divisors (1).

29270084639 is an equidigital number, since it uses as much as digits as its factorization.

29270084639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The spelling of 29270084639 in words is "twenty-nine billion, two hundred seventy million, eighty-four thousand, six hundred thirty-nine".