38112920029 has 2 divisors, whose sum is σ = 38112920030. Its totient is φ = 38112920028.

The previous prime is 38112919979. The next prime is 38112920057. The reversal of 38112920029 is 92002921183.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37491415129 + 621504900 = 193627^2 + 24930^2 .

It is a cyclic number.

It is not a de Polignac number, because 38112920029 - 2¹⁵ = 38112887261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38112920029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38112920099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19056460014 + 19056460015.

It is an arithmetic number, because the mean of its divisors is an integer number (19056460015).

Almost surely, 2^38112920029 is an apocalyptic number.

It is an amenable number.

38112920029 is a deficient number, since it is larger than the sum of its proper divisors (1).

38112920029 is an equidigital number, since it uses as much as digits as its factorization.

38112920029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 37.

The spelling of 38112920029 in words is "thirty-eight billion, one hundred twelve million, nine hundred twenty thousand, twenty-nine".