427152996491 has 8 divisors (see below), whose sum is σ = 460019123424. Its totient is φ = 394288041600.

The previous prime is 427152996463. The next prime is 427152996547. The reversal of 427152996491 is 194699251724.

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 427152996491 - 2¹⁸ = 427152734347 is a prime.

It is a super-2 number, since 2×427152996491² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 427152996491.

It is not an unprimeable number, because it can be changed into a prime (427152996421) 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, 554810 + ... + 1078016.

It is an arithmetic number, because the mean of its divisors is an integer number (57502390428).

Almost surely, 2^427152996491 is an apocalyptic number.

427152996491 is a deficient number, since it is larger than the sum of its proper divisors (32866126933).

427152996491 is a wasteful number, since it uses less digits than its factorization.

427152996491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586021.

The product of its digits is 9797760, while the sum is 59.

The spelling of 427152996491 in words is "four hundred twenty-seven billion, one hundred fifty-two million, nine hundred ninety-six thousand, four hundred ninety-one".