42861672962 has 4 divisors (see below), whose sum is σ = 64292509446. Its totient is φ = 21430836480.

The previous prime is 42861672961. The next prime is 42861673009. The reversal of 42861672962 is 26927616824.

It is a happy number.

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., 27513188641 + 15348484321 = 165871^2 + 123889^2 .

It is not an unprimeable number, because it can be changed into a prime (42861672961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10715418239 + ... + 10715418242.

Almost surely, 2^42861672962 is an apocalyptic number.

42861672962 is a deficient number, since it is larger than the sum of its proper divisors (21430836484).

42861672962 is a wasteful number, since it uses less digits than its factorization.

42861672962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21430836483.

The product of its digits is 3483648, while the sum is 53.

The spelling of 42861672962 in words is "forty-two billion, eight hundred sixty-one million, six hundred seventy-two thousand, nine hundred sixty-two".