427248461899 has 16 divisors (see below), whose sum is σ = 501794536896. Its totient is φ = 356092416000.

The previous prime is 427248461879. The next prime is 427248461951. The reversal of 427248461899 is 998164842724.

It is a cyclic number.

It is not a de Polignac number, because 427248461899 - 2²¹ = 427246364747 is a prime.

It is a super-2 number, since 2×427248461899² (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 427248461899.

It is not an unprimeable number, because it can be changed into a prime (427248461819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100522 + ... + 929839.

It is an arithmetic number, because the mean of its divisors is an integer number (31362158556).

Almost surely, 2^427248461899 is an apocalyptic number.

427248461899 is a deficient number, since it is larger than the sum of its proper divisors (74546074997).

427248461899 is a wasteful number, since it uses less digits than its factorization.

427248461899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032006.

The product of its digits is 55738368, while the sum is 64.

The spelling of 427248461899 in words is "four hundred twenty-seven billion, two hundred forty-eight million, four hundred sixty-one thousand, eight hundred ninety-nine".