38509416975 has 24 divisors (see below), whose sum is σ = 63674813440. Its totient is φ = 20536449120.

The previous prime is 38509416973. The next prime is 38509416977. The reversal of 38509416975 is 57961490583.

It is an interprime number because it is at equal distance from previous prime (38509416973) and next prime (38509416977).

It is not a de Polignac number, because 38509416975 - 2¹ = 38509416973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38509416973) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1217916 + ... + 1249134.

Almost surely, 2^38509416975 is an apocalyptic number.

38509416975 is a deficient number, since it is larger than the sum of its proper divisors (25165396465).

38509416975 is a wasteful number, since it uses less digits than its factorization.

38509416975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47679 (or 47674 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 57.

The spelling of 38509416975 in words is "thirty-eight billion, five hundred nine million, four hundred sixteen thousand, nine hundred seventy-five".