39259400149 has 2 divisors, whose sum is σ = 39259400150. Its totient is φ = 39259400148.

The previous prime is 39259400137. The next prime is 39259400179. The reversal of 39259400149 is 94100495293.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39181431249 + 77968900 = 197943^2 + 8830^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39259400149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 39259400099 and 39259400108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39259400179) 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, 19629700074 + 19629700075.

It is an arithmetic number, because the mean of its divisors is an integer number (19629700075).

Almost surely, 2^39259400149 is an apocalyptic number.

It is an amenable number.

39259400149 is a deficient number, since it is larger than the sum of its proper divisors (1).

39259400149 is an equidigital number, since it uses as much as digits as its factorization.

39259400149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 349920, while the sum is 46.

The spelling of 39259400149 in words is "thirty-nine billion, two hundred fifty-nine million, four hundred thousand, one hundred forty-nine".