1941415881 has 16 divisors (see below), whose sum is σ = 2610766080. Its totient is φ = 1283219840.

The previous prime is 1941415867. The next prime is 1941415907. The reversal of 1941415881 is 1885141491.

It is a cyclic number.

It is not a de Polignac number, because 1941415881 - 2¹¹ = 1941413833 is a prime.

It is a super-2 number, since 2×1941415881² = 7538191245998012322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1941415831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161251 + ... + 172871.

It is an arithmetic number, because the mean of its divisors is an integer number (163172880).

Almost surely, 2^1941415881 is an apocalyptic number.

It is an amenable number.

1941415881 is a deficient number, since it is larger than the sum of its proper divisors (669350199).

1941415881 is a wasteful number, since it uses less digits than its factorization.

1941415881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12096.

The product of its digits is 46080, while the sum is 42.

The square root of 1941415881 is about 44061.5011205928. The cubic root of 1941415881 is about 1247.4970461361.

The spelling of 1941415881 in words is "one billion, nine hundred forty-one million, four hundred fifteen thousand, eight hundred eighty-one".