1642109932 has 24 divisors (see below), whose sum is σ = 3010081536. Its totient is φ = 782359248.

The previous prime is 1642109881. The next prime is 1642109977. The reversal of 1642109932 is 2399012461.

It is a junction number, because it is equal to n+sod(n) for n = 1642109891 and 1642109900.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9738 + ... + 58129.

It is an arithmetic number, because the mean of its divisors is an integer number (125420064).

Almost surely, 2^1642109932 is an apocalyptic number.

It is an amenable number.

1642109932 is a deficient number, since it is larger than the sum of its proper divisors (1367971604).

1642109932 is a wasteful number, since it uses less digits than its factorization.

1642109932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68157 (or 68155 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 1642109932 is about 40522.9556177730. The cubic root of 1642109932 is about 1179.7792204008.

The spelling of 1642109932 in words is "one billion, six hundred forty-two million, one hundred nine thousand, nine hundred thirty-two".