38998785359 has 4 divisors (see below), whose sum is σ = 39023898816. Its totient is φ = 38973671904.

The previous prime is 38998785337. The next prime is 38998785361. The reversal of 38998785359 is 95358789983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95358789983 = 641 ⋅148765663.

It is a cyclic number.

It is not a de Polignac number, because 38998785359 - 2²⁰ = 38997736783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38998785389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12554399 + ... + 12557504.

It is an arithmetic number, because the mean of its divisors is an integer number (9755974704).

Almost surely, 2^38998785359 is an apocalyptic number.

38998785359 is a deficient number, since it is larger than the sum of its proper divisors (25113457).

38998785359 is a wasteful number, since it uses less digits than its factorization.

38998785359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25113456.

The product of its digits is 587865600, while the sum is 74.

The spelling of 38998785359 in words is "thirty-eight billion, nine hundred ninety-eight million, seven hundred eighty-five thousand, three hundred fifty-nine".