42064601464615 has 4 divisors (see below), whose sum is σ = 50477521757544. Its totient is φ = 33651681171688.

The previous prime is 42064601464607. The next prime is 42064601464643. The reversal of 42064601464615 is 51646410646024.

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 42064601464615 - 2³ = 42064601464607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4206460146457 + ... + 4206460146466.

It is an arithmetic number, because the mean of its divisors is an integer number (12619380439386).

Almost surely, 2^{42064601464615} is an apocalyptic number.

42064601464615 is a deficient number, since it is larger than the sum of its proper divisors (8412920292929).

42064601464615 is an equidigital number, since it uses as much as digits as its factorization.

42064601464615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8412920292928.

The product of its (nonzero) digits is 3317760, while the sum is 49.

The spelling of 42064601464615 in words is "forty-two trillion, sixty-four billion, six hundred one million, four hundred sixty-four thousand, six hundred fifteen".