29490776137 has 2 divisors, whose sum is σ = 29490776138. Its totient is φ = 29490776136.

The previous prime is 29490776131. The next prime is 29490776149. The reversal of 29490776137 is 73167709492.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29429059401 + 61716736 = 171549^2 + 7856^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29490776137 is a prime.

It is not a weakly prime, because it can be changed into another prime (29490776131) 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, 14745388068 + 14745388069.

It is an arithmetic number, because the mean of its divisors is an integer number (14745388069).

Almost surely, 2^29490776137 is an apocalyptic number.

It is an amenable number.

29490776137 is a deficient number, since it is larger than the sum of its proper divisors (1).

29490776137 is an equidigital number, since it uses as much as digits as its factorization.

29490776137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4000752, while the sum is 55.

The spelling of 29490776137 in words is "twenty-nine billion, four hundred ninety million, seven hundred seventy-six thousand, one hundred thirty-seven".