29944458431 has 2 divisors, whose sum is σ = 29944458432. Its totient is φ = 29944458430.

The previous prime is 29944458389. The next prime is 29944458443. The reversal of 29944458431 is 13485444992.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 29944458431 - 2⁶ = 29944458367 is a prime.

It is a super-2 number, since 2×29944458431² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29944458031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14972229215 + 14972229216.

It is an arithmetic number, because the mean of its divisors is an integer number (14972229216).

Almost surely, 2^29944458431 is an apocalyptic number.

29944458431 is a deficient number, since it is larger than the sum of its proper divisors (1).

29944458431 is an equidigital number, since it uses as much as digits as its factorization.

29944458431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4976640, while the sum is 53.

The spelling of 29944458431 in words is "twenty-nine billion, nine hundred forty-four million, four hundred fifty-eight thousand, four hundred thirty-one".