3835868242172 has 6 divisors (see below), whose sum is σ = 6712769423808. Its totient is φ = 1917934121084.

The previous prime is 3835868242169. The next prime is 3835868242183. The reversal of 3835868242172 is 2712428685383.

It is a super-3 number, since 3×3835868242172³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 479483530268 + ... + 479483530275.

It is an arithmetic number, because the mean of its divisors is an integer number (1118794903968).

Almost surely, 2^{3835868242172} is an apocalyptic number.

It is an amenable number.

3835868242172 is a deficient number, since it is larger than the sum of its proper divisors (2876901181636).

3835868242172 is a wasteful number, since it uses less digits than its factorization.

3835868242172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958967060547 (or 958967060545 counting only the distinct ones).

The product of its digits is 30965760, while the sum is 59.

The spelling of 3835868242172 in words is "three trillion, eight hundred thirty-five billion, eight hundred sixty-eight million, two hundred forty-two thousand, one hundred seventy-two".