42601265747 has 4 divisors (see below), whose sum is σ = 42606681936. Its totient is φ = 42595849560.

The previous prime is 42601265741. The next prime is 42601265761. The reversal of 42601265747 is 74756210624.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 42601265747 - 2⁴ = 42601265731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42601265698 and 42601265707.

It is not an unprimeable number, because it can be changed into a prime (42601265741) 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, 2696279 + ... + 2712032.

It is an arithmetic number, because the mean of its divisors is an integer number (10651670484).

Almost surely, 2^42601265747 is an apocalyptic number.

42601265747 is a deficient number, since it is larger than the sum of its proper divisors (5416189).

42601265747 is an equidigital number, since it uses as much as digits as its factorization.

42601265747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5416188.

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 42601265747 in words is "forty-two billion, six hundred one million, two hundred sixty-five thousand, seven hundred forty-seven".