427660601543 has 8 divisors (see below), whose sum is σ = 488760909312. Its totient is φ = 366561777816.

The previous prime is 427660601519. The next prime is 427660601549. The reversal of 427660601543 is 345106066724.

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

It is a cyclic number.

It is not a de Polignac number, because 427660601543 - 2⁶ = 427660601479 is a prime.

It is a super-2 number, since 2×427660601543² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 427660601494 and 427660601503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427660601549) 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, 336446 + ... + 984132.

It is an arithmetic number, because the mean of its divisors is an integer number (61095113664).

Almost surely, 2^427660601543 is an apocalyptic number.

427660601543 is a deficient number, since it is larger than the sum of its proper divisors (61100307769).

427660601543 is an equidigital number, since it uses as much as digits as its factorization.

427660601543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742021.

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 427660601543 in words is "four hundred twenty-seven billion, six hundred sixty million, six hundred one thousand, five hundred forty-three".