1641373833 has 24 divisors (see below), whose sum is σ = 2483154688. Its totient is φ = 962676000.

The previous prime is 1641373823. The next prime is 1641373861. The reversal of 1641373833 is 3383731461.

It is a happy number.

It is not a de Polignac number, because 1641373833 - 2¹⁷ = 1641242761 is a prime.

It is a super-2 number, since 2×1641373833² = 5388216119314223778, 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 = 1641373791 and 1641373800.

It is not an unprimeable number, because it can be changed into a prime (1641373823) 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 23 ways as a sum of consecutive naturals, for example, 61678 + ... + 84183.

Almost surely, 2^1641373833 is an apocalyptic number.

It is an amenable number.

1641373833 is a deficient number, since it is larger than the sum of its proper divisors (841780855).

1641373833 is a wasteful number, since it uses less digits than its factorization.

1641373833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145917 (or 145906 counting only the distinct ones).

The product of its digits is 108864, while the sum is 39.

The square root of 1641373833 is about 40513.8721057368. The cubic root of 1641373833 is about 1179.6029098136.

The spelling of 1641373833 in words is "one billion, six hundred forty-one million, three hundred seventy-three thousand, eight hundred thirty-three".