137470499729 has 2 divisors, whose sum is σ = 137470499730. Its totient is φ = 137470499728.

The previous prime is 137470499629. The next prime is 137470499731. The reversal of 137470499729 is 927994074731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109203811600 + 28266688129 = 330460^2 + 168127^2 .

It is an emirp because it is prime and its reverse (927994074731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 137470499729 - 2³⁶ = 68751022993 is a prime.

Together with 137470499731, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (137470499029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68735249864 + 68735249865.

It is an arithmetic number, because the mean of its divisors is an integer number (68735249865).

Almost surely, 2^137470499729 is an apocalyptic number.

It is an amenable number.

137470499729 is a deficient number, since it is larger than the sum of its proper divisors (1).

137470499729 is an equidigital number, since it uses as much as digits as its factorization.

137470499729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24004512, while the sum is 62.

The spelling of 137470499729 in words is "one hundred thirty-seven billion, four hundred seventy million, four hundred ninety-nine thousand, seven hundred twenty-nine".