314638188481 has 4 divisors (see below), whose sum is σ = 316934817732. Its totient is φ = 312341559232.

The previous prime is 314638188467. The next prime is 314638188547. The reversal of 314638188481 is 184881836413.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 81658206081 + 232979982400 = 285759^2 + 482680^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-314638188481 is a prime.

It is a super-2 number, since 2×314638188481² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (314638188421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1148314420 + ... + 1148314693.

It is an arithmetic number, because the mean of its divisors is an integer number (79233704433).

Almost surely, 2^314638188481 is an apocalyptic number.

It is an amenable number.

314638188481 is a deficient number, since it is larger than the sum of its proper divisors (2296629251).

314638188481 is a wasteful number, since it uses less digits than its factorization.

314638188481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2296629250.

The product of its digits is 3538944, while the sum is 55.

The spelling of 314638188481 in words is "three hundred fourteen billion, six hundred thirty-eight million, one hundred eighty-eight thousand, four hundred eighty-one".