38727421029 has 24 divisors (see below), whose sum is σ = 63285217632. Its totient is φ = 23471162640.

The previous prime is 38727421027. The next prime is 38727421049. The reversal of 38727421029 is 92012472783.

It is not a de Polignac number, because 38727421029 - 2¹ = 38727421027 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38727421027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7241514 + ... + 7246859.

It is an arithmetic number, because the mean of its divisors is an integer number (2636884068).

Almost surely, 2^38727421029 is an apocalyptic number.

It is an amenable number.

38727421029 is a deficient number, since it is larger than the sum of its proper divisors (24557796603).

38727421029 is a wasteful number, since it uses less digits than its factorization.

38727421029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14488399 (or 14488387 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 38727421029 in words is "thirty-eight billion, seven hundred twenty-seven million, four hundred twenty-one thousand, twenty-nine".