385602864137 has 4 divisors (see below), whose sum is σ = 402368206080. Its totient is φ = 368837522196.

The previous prime is 385602864121. The next prime is 385602864193. The reversal of 385602864137 is 731468206583.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 731468206583 = 34981 ⋅20910443.

It is a cyclic number.

It is not a de Polignac number, because 385602864137 - 2⁴ = 385602864121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385602864107) 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, 8382670937 + ... + 8382670982.

It is an arithmetic number, because the mean of its divisors is an integer number (100592051520).

Almost surely, 2^385602864137 is an apocalyptic number.

It is an amenable number.

385602864137 is a deficient number, since it is larger than the sum of its proper divisors (16765341943).

385602864137 is a wasteful number, since it uses less digits than its factorization.

385602864137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16765341942.

The product of its (nonzero) digits is 5806080, while the sum is 53.

The spelling of 385602864137 in words is "three hundred eighty-five billion, six hundred two million, eight hundred sixty-four thousand, one hundred thirty-seven".