1641423938 has 32 divisors (see below), whose sum is σ = 3074042880. Its totient is φ = 638606160.

The previous prime is 1641423919. The next prime is 1641423941. The reversal of 1641423938 is 8393241461.

It is a junction number, because it is equal to n+sod(n) for n = 1641423895 and 1641423904.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106595 + ... + 121017.

It is an arithmetic number, because the mean of its divisors is an integer number (96063840).

Almost surely, 2^1641423938 is an apocalyptic number.

1641423938 is a deficient number, since it is larger than the sum of its proper divisors (1432618942).

1641423938 is a wasteful number, since it uses less digits than its factorization.

1641423938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15182.

The product of its digits is 124416, while the sum is 41.

The square root of 1641423938 is about 40514.4904694604. The cubic root of 1641423938 is about 1179.6149126454.

The spelling of 1641423938 in words is "one billion, six hundred forty-one million, four hundred twenty-three thousand, nine hundred thirty-eight".