42047346137 has 4 divisors (see below), whose sum is σ = 43025191440. Its totient is φ = 41069500836.

The previous prime is 42047346113. The next prime is 42047346149. The reversal of 42047346137 is 73164374024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42047346137 - 2¹⁰ = 42047345113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42047346094 and 42047346103.

It is not an unprimeable number, because it can be changed into a prime (42047346167) 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, 488922587 + ... + 488922672.

It is an arithmetic number, because the mean of its divisors is an integer number (10756297860).

Almost surely, 2^42047346137 is an apocalyptic number.

It is an amenable number.

42047346137 is a deficient number, since it is larger than the sum of its proper divisors (977845303).

42047346137 is an equidigital number, since it uses as much as digits as its factorization.

42047346137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977845302.

The product of its (nonzero) digits is 338688, while the sum is 41.

The spelling of 42047346137 in words is "forty-two billion, forty-seven million, three hundred forty-six thousand, one hundred thirty-seven".