1614948281481 has 4 divisors (see below), whose sum is σ = 2153264375312. Its totient is φ = 1076632187652.

The previous prime is 1614948281477. The next prime is 1614948281491. The reversal of 1614948281481 is 1841828494161.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1614948281481 - 2² = 1614948281477 is a prime.

It is a super-2 number, since 2×1614948281481² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1614948281491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269158046911 + ... + 269158046916.

It is an arithmetic number, because the mean of its divisors is an integer number (538316093828).

Almost surely, 2^{1614948281481} is an apocalyptic number.

It is an amenable number.

1614948281481 is a deficient number, since it is larger than the sum of its proper divisors (538316093831).

1614948281481 is an equidigital number, since it uses as much as digits as its factorization.

1614948281481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538316093830.

The product of its digits is 3538944, while the sum is 57.

The spelling of 1614948281481 in words is "one trillion, six hundred fourteen billion, nine hundred forty-eight million, two hundred eighty-one thousand, four hundred eighty-one".