38158421235 has 32 divisors (see below), whose sum is σ = 68152727808. Its totient is φ = 18070792320.

The previous prime is 38158421209. The next prime is 38158421243. The reversal of 38158421235 is 53212485183.

It is not a de Polignac number, because 38158421235 - 2¹³ = 38158413043 is a prime.

It is a super-2 number, since 2×38158421235² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2682012 + ... + 2696201.

It is an arithmetic number, because the mean of its divisors is an integer number (2129772744).

Almost surely, 2^38158421235 is an apocalyptic number.

38158421235 is a deficient number, since it is larger than the sum of its proper divisors (29994306573).

38158421235 is a wasteful number, since it uses less digits than its factorization.

38158421235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5378275.

The product of its digits is 230400, while the sum is 42.

The spelling of 38158421235 in words is "thirty-eight billion, one hundred fifty-eight million, four hundred twenty-one thousand, two hundred thirty-five".