601645474494 has 32 divisors (see below), whose sum is σ = 1337092596000. Its totient is φ = 200533093632.

The previous prime is 601645474477. The next prime is 601645474511. The reversal of 601645474494 is 494474546106.

601645474494 is a `hidden beast` number, since 6 + 0 + 1 + 6 + 4 + 547 + 4 + 4 + 94 = 666.

601645474494 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (601645474477) and next prime (601645474511).

It is a super-2 number, since 2×601645474494² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 601645474494.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293262 + ... + 1135470.

It is an arithmetic number, because the mean of its divisors is an integer number (41784143625).

Almost surely, 2^601645474494 is an apocalyptic number.

601645474494 is an abundant number, since it is smaller than the sum of its proper divisors (735447121506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

601645474494 is a wasteful number, since it uses less digits than its factorization.

601645474494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855449 (or 855443 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 54.

The spelling of 601645474494 in words is "six hundred one billion, six hundred forty-five million, four hundred seventy-four thousand, four hundred ninety-four".