601945421815 has 8 divisors (see below), whose sum is σ = 722375282448. Its totient is φ = 481529153280.

The previous prime is 601945421813. The next prime is 601945421873. The reversal of 601945421815 is 518124549106.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 601945421815 - 2¹ = 601945421813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (601945421813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3300337 + ... + 3477946.

It is an arithmetic number, because the mean of its divisors is an integer number (90296910306).

Almost surely, 2^601945421815 is an apocalyptic number.

601945421815 is a deficient number, since it is larger than the sum of its proper divisors (120429860633).

601945421815 is a wasteful number, since it uses less digits than its factorization.

601945421815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6796049.

The product of its (nonzero) digits is 345600, while the sum is 46.

The spelling of 601945421815 in words is "six hundred one billion, nine hundred forty-five million, four hundred twenty-one thousand, eight hundred fifteen".