1941164397 has 12 divisors (see below), whose sum is σ = 2968839900. Its totient is φ = 1217985408.

The previous prime is 1941164359. The next prime is 1941164429. The reversal of 1941164397 is 7934611491.

It is a happy number.

1941164397 is a `hidden beast` number, since 194 + 11 + 64 + 397 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1144739556 + 796424841 = 33834^2 + 28221^2 .

It is not a de Polignac number, because 1941164397 - 2¹⁸ = 1940902253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1941164597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6343522 + ... + 6343827.

It is an arithmetic number, because the mean of its divisors is an integer number (247403325).

Almost surely, 2^1941164397 is an apocalyptic number.

1941164397 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1941164397 is a deficient number, since it is larger than the sum of its proper divisors (1027675503).

1941164397 is a wasteful number, since it uses less digits than its factorization.

1941164397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12687372 (or 12687369 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 1941164397 is about 44058.6472443265. The cubic root of 1941164397 is about 1247.4431783898.

The spelling of 1941164397 in words is "one billion, nine hundred forty-one million, one hundred sixty-four thousand, three hundred ninety-seven".