29149553731 has 2 divisors, whose sum is σ = 29149553732. Its totient is φ = 29149553730.

The previous prime is 29149553729. The next prime is 29149553753. The reversal of 29149553731 is 13735594192.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29149553731 - 2¹ = 29149553729 is a prime.

It is a super-2 number, since 2×29149553731² (a number of 22 digits) contains 22 as substring.

Together with 29149553729, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (29149556731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14574776865 + 14574776866.

It is an arithmetic number, because the mean of its divisors is an integer number (14574776866).

Almost surely, 2^29149553731 is an apocalyptic number.

29149553731 is a deficient number, since it is larger than the sum of its proper divisors (1).

29149553731 is an equidigital number, since it uses as much as digits as its factorization.

29149553731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1020600, while the sum is 49.

The spelling of 29149553731 in words is "twenty-nine billion, one hundred forty-nine million, five hundred fifty-three thousand, seven hundred thirty-one".