2147141642 has 4 divisors (see below), whose sum is σ = 3220712466. Its totient is φ = 1073570820.

The previous prime is 2147141639. The next prime is 2147141653. The reversal of 2147141642 is 2461417412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1814845201 + 332296441 = 42601^2 + 18229^2 .

It is a super-2 number, since 2×2147141642² = 9220434461620912328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2147141599 and 2147141608.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536785409 + ... + 536785412.

Almost surely, 2^2147141642 is an apocalyptic number.

2147141642 is a deficient number, since it is larger than the sum of its proper divisors (1073570824).

2147141642 is a wasteful number, since it uses less digits than its factorization.

2147141642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073570823.

The product of its digits is 10752, while the sum is 32.

The square root of 2147141642 is about 46337.2597592909. The cubic root of 2147141642 is about 1290.0906616569.

The spelling of 2147141642 in words is "two billion, one hundred forty-seven million, one hundred forty-one thousand, six hundred forty-two".