641142337 has 6 divisors (see below), whose sum is σ = 704726834. Its totient is φ = 582856560.

The previous prime is 641142331. The next prime is 641142343. The reversal of 641142337 is 733241146.

It is an interprime number because it is at equal distance from previous prime (641142331) and next prime (641142343).

It can be written as a sum of positive squares in only one way, i.e., 640646721 + 495616 = 25311^2 + 704^2 .

It is not a de Polignac number, because 641142337 - 2³ = 641142329 is a prime.

It is a super-2 number, since 2×641142337² = 822126992587643138, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 641142299 and 641142308.

It is not an unprimeable number, because it can be changed into a prime (641142331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2649228 + ... + 2649469.

Almost surely, 2^641142337 is an apocalyptic number.

It is an amenable number.

641142337 is a deficient number, since it is larger than the sum of its proper divisors (63584497).

641142337 is a wasteful number, since it uses less digits than its factorization.

641142337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5298719 (or 5298708 counting only the distinct ones).

The product of its digits is 12096, while the sum is 31.

The square root of 641142337 is about 25320.7886330580. The cubic root of 641142337 is about 862.2862984383.

The spelling of 641142337 in words is "six hundred forty-one million, one hundred forty-two thousand, three hundred thirty-seven".