1546849642 has 8 divisors (see below), whose sum is σ = 2498757156. Its totient is φ = 713930592.

The previous prime is 1546849631. The next prime is 1546849649. The reversal of 1546849642 is 2469486451.

It can be written as a sum of positive squares in 2 ways, for example, as 1505517601 + 41332041 = 38801^2 + 6429^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1546849649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29747083 + ... + 29747134.

Almost surely, 2^1546849642 is an apocalyptic number.

1546849642 is a deficient number, since it is larger than the sum of its proper divisors (951907514).

1546849642 is a wasteful number, since it uses less digits than its factorization.

1546849642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59494232.

The product of its digits is 1658880, while the sum is 49.

The square root of 1546849642 is about 39330.0094330017. The cubic root of 1546849642 is about 1156.5099326514.

The spelling of 1546849642 in words is "one billion, five hundred forty-six million, eight hundred forty-nine thousand, six hundred forty-two".