1941933865 has 8 divisors (see below), whose sum is σ = 2338985160. Its totient is φ = 1547770752.

The previous prime is 1941933811. The next prime is 1941933869. The reversal of 1941933865 is 5683391491.

It can be written as a sum of positive squares in 4 ways, for example, as 2676496 + 1939257369 = 1636^2 + 44037^2 .

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 1941933865 - 2¹⁵ = 1941901097 is a prime.

It is a super-2 number, since 2×1941933865² = 7542214272067676450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1941933869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 720564 + ... + 723253.

It is an arithmetic number, because the mean of its divisors is an integer number (292373145).

Almost surely, 2^1941933865 is an apocalyptic number.

It is an amenable number.

1941933865 is a deficient number, since it is larger than the sum of its proper divisors (397051295).

1941933865 is a wasteful number, since it uses less digits than its factorization.

1941933865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444091.

The product of its digits is 699840, while the sum is 49.

The square root of 1941933865 is about 44067.3786944493. The cubic root of 1941933865 is about 1247.6079833917.

The spelling of 1941933865 in words is "one billion, nine hundred forty-one million, nine hundred thirty-three thousand, eight hundred sixty-five".