42161461246 has 4 divisors (see below), whose sum is σ = 63242191872. Its totient is φ = 21080730622.

The previous prime is 42161461229. The next prime is 42161461259. The reversal of 42161461246 is 64216416124.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10540365310 + ... + 10540365313.

It is an arithmetic number, because the mean of its divisors is an integer number (15810547968).

Almost surely, 2^42161461246 is an apocalyptic number.

42161461246 is a deficient number, since it is larger than the sum of its proper divisors (21080730626).

42161461246 is a wasteful number, since it uses less digits than its factorization.

42161461246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21080730625.

The product of its digits is 55296, while the sum is 37.

The spelling of 42161461246 in words is "forty-two billion, one hundred sixty-one million, four hundred sixty-one thousand, two hundred forty-six".