38464839523 has 32 divisors (see below), whose sum is σ = 44660056320. Its totient is φ = 32741237760.

The previous prime is 38464839431. The next prime is 38464839571. The reversal of 38464839523 is 32593846483.

It is not a de Polignac number, because 38464839523 - 2²¹ = 38462742371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38464833523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56317140 + ... + 56317822.

It is an arithmetic number, because the mean of its divisors is an integer number (1395626760).

Almost surely, 2^38464839523 is an apocalyptic number.

38464839523 is a deficient number, since it is larger than the sum of its proper divisors (6195216797).

38464839523 is a wasteful number, since it uses less digits than its factorization.

38464839523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1827.

The product of its digits is 14929920, while the sum is 55.

The spelling of 38464839523 in words is "thirty-eight billion, four hundred sixty-four million, eight hundred thirty-nine thousand, five hundred twenty-three".