3841901681644 has 24 divisors (see below), whose sum is σ = 7327742047920. Its totient is φ = 1751821710144.

The previous prime is 3841901681609. The next prime is 3841901681687. The reversal of 3841901681644 is 4461861091483.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

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, 445072339 + ... + 445080970.

It is an arithmetic number, because the mean of its divisors is an integer number (305322585330).

Almost surely, 2^{3841901681644} is an apocalyptic number.

It is an amenable number.

3841901681644 is a deficient number, since it is larger than the sum of its proper divisors (3485840366276).

3841901681644 is a wasteful number, since it uses less digits than its factorization.

3841901681644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890153409 (or 890153407 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 55.

The spelling of 3841901681644 in words is "three trillion, eight hundred forty-one billion, nine hundred one million, six hundred eighty-one thousand, six hundred forty-four".