3847901709955 has 8 divisors (see below), whose sum is σ = 4617494434800. Its totient is φ = 3078313112736.

The previous prime is 3847901709943. The next prime is 3847901710019. The reversal of 3847901709955 is 5599071097483.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3847901709955 - 2⁵ = 3847901709923 is a prime.

It is a super-2 number, since 2×3847901709955² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1655061 + ... + 3230329.

It is an arithmetic number, because the mean of its divisors is an integer number (577186804350).

Almost surely, 2^{3847901709955} is an apocalyptic number.

3847901709955 is a deficient number, since it is larger than the sum of its proper divisors (769592724845).

3847901709955 is a wasteful number, since it uses less digits than its factorization.

3847901709955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2063813.

The product of its (nonzero) digits is 85730400, while the sum is 67.

The spelling of 3847901709955 in words is "three trillion, eight hundred forty-seven billion, nine hundred one million, seven hundred nine thousand, nine hundred fifty-five".