1641423371 has 8 divisors (see below), whose sum is σ = 1936425984. Its totient is φ = 1361549160.

The previous prime is 1641423367. The next prime is 1641423449. The reversal of 1641423371 is 1733241461.

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 1641423371 - 2² = 1641423367 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1641423331) 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 7 ways as a sum of consecutive naturals, for example, 3781865 + ... + 3782298.

It is an arithmetic number, because the mean of its divisors is an integer number (242053248).

Almost surely, 2^1641423371 is an apocalyptic number.

1641423371 is a deficient number, since it is larger than the sum of its proper divisors (295002613).

1641423371 is an equidigital number, since it uses as much as digits as its factorization.

1641423371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7564201.

The product of its digits is 12096, while the sum is 32.

The square root of 1641423371 is about 40514.4834719635. The cubic root of 1641423371 is about 1179.6147768199.

The spelling of 1641423371 in words is "one billion, six hundred forty-one million, four hundred twenty-three thousand, three hundred seventy-one".