38939495042699 has 4 divisors (see below), whose sum is σ = 39094632473400. Its totient is φ = 38784357612000.

The previous prime is 38939495042663. The next prime is 38939495042717. The reversal of 38939495042699 is 99624059493983.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38939495042699 - 2³² = 38935200075403 is a prime.

It is a super-3 number, since 3×38939495042699³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38939495042599) 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, 77568714974 + ... + 77568715475.

It is an arithmetic number, because the mean of its divisors is an integer number (9773658118350).

Almost surely, 2^{38939495042699} is an apocalyptic number.

38939495042699 is a deficient number, since it is larger than the sum of its proper divisors (155137430701).

38939495042699 is a wasteful number, since it uses less digits than its factorization.

38939495042699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155137430700.

The product of its (nonzero) digits is 4081466880, while the sum is 80.

The spelling of 38939495042699 in words is "thirty-eight trillion, nine hundred thirty-nine billion, four hundred ninety-five million, forty-two thousand, six hundred ninety-nine".