38509191483 has 48 divisors (see below), whose sum is σ = 62183780640. Its totient is φ = 21117003264.

The previous prime is 38509191463. The next prime is 38509191491. The reversal of 38509191483 is 38419190583.

It is not a de Polignac number, because 38509191483 - 2⁵ = 38509191451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38509191443) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 348553 + ... + 445541.

It is an arithmetic number, because the mean of its divisors is an integer number (1295495430).

Almost surely, 2^38509191483 is an apocalyptic number.

38509191483 is a deficient number, since it is larger than the sum of its proper divisors (23674589157).

38509191483 is a wasteful number, since it uses less digits than its factorization.

38509191483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97116 (or 97109 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 51.

The spelling of 38509191483 in words is "thirty-eight billion, five hundred nine million, one hundred ninety-one thousand, four hundred eighty-three".