34138629739 has 2 divisors, whose sum is σ = 34138629740. Its totient is φ = 34138629738.

The previous prime is 34138629731. The next prime is 34138629757. The reversal of 34138629739 is 93792683143.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34138629739 - 2³ = 34138629731 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34138629739.

It is not a weakly prime, because it can be changed into another prime (34138629731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17069314869 + 17069314870.

It is an arithmetic number, because the mean of its divisors is an integer number (17069314870).

Almost surely, 2^34138629739 is an apocalyptic number.

34138629739 is a deficient number, since it is larger than the sum of its proper divisors (1).

34138629739 is an equidigital number, since it uses as much as digits as its factorization.

34138629739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5878656, while the sum is 55.

The spelling of 34138629739 in words is "thirty-four billion, one hundred thirty-eight million, six hundred twenty-nine thousand, seven hundred thirty-nine".