1941538065 has 8 divisors (see below), whose sum is σ = 3106460928. Its totient is φ = 1035486960.

The previous prime is 1941538063. The next prime is 1941538069. The reversal of 1941538065 is 5608351491.

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

It is not a de Polignac number, because 1941538065 - 2¹ = 1941538063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1941538063) 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, 64717921 + ... + 64717950.

It is an arithmetic number, because the mean of its divisors is an integer number (388307616).

Almost surely, 2^1941538065 is an apocalyptic number.

1941538065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1941538065 is a deficient number, since it is larger than the sum of its proper divisors (1164922863).

1941538065 is a wasteful number, since it uses less digits than its factorization.

1941538065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129435879.

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 1941538065 is about 44062.8876153164. The cubic root of 1941538065 is about 1247.5232162083.

The spelling of 1941538065 in words is "one billion, nine hundred forty-one million, five hundred thirty-eight thousand, sixty-five".