1921141827 has 96 divisors (see below), whose sum is σ = 3294535680. Its totient is φ = 1096804800.

The previous prime is 1921141823. The next prime is 1921141841. The reversal of 1921141827 is 7281411291.

1921141827 is a `hidden beast` number, since 1 + 9 + 211 + 418 + 27 = 666.

It is not a de Polignac number, because 1921141827 - 2² = 1921141823 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1921141791 and 1921141800.

It is not an unprimeable number, because it can be changed into a prime (1921141823) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15127038 + ... + 15127164.

It is an arithmetic number, because the mean of its divisors is an integer number (34318080).

Almost surely, 2^1921141827 is an apocalyptic number.

1921141827 is a deficient number, since it is larger than the sum of its proper divisors (1373393853).

1921141827 is a wasteful number, since it uses less digits than its factorization.

1921141827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 225 counting only the distinct ones).

The product of its digits is 8064, while the sum is 36.

The square root of 1921141827 is about 43830.8319222896. The cubic root of 1921141827 is about 1243.1393370263.

The spelling of 1921141827 in words is "one billion, nine hundred twenty-one million, one hundred forty-one thousand, eight hundred twenty-seven".