4142446263121 has 4 divisors (see below), whose sum is σ = 4142476446372. Its totient is φ = 4142416079872.

The previous prime is 4142446263119. The next prime is 4142446263169. The reversal of 4142446263121 is 1213626442414.

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 1657759251600 + 2484687011521 = 1287540^2 + 1576289^2 .

It is a cyclic number.

It is not a de Polignac number, because 4142446263121 - 2¹ = 4142446263119 is a prime.

It is a super-2 number, since 2×4142446263121² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4142440263121) 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, 14884816 + ... + 15160561.

It is an arithmetic number, because the mean of its divisors is an integer number (1035619111593).

Almost surely, 2^{4142446263121} is an apocalyptic number.

It is an amenable number.

4142446263121 is a deficient number, since it is larger than the sum of its proper divisors (30183251).

4142446263121 is a wasteful number, since it uses less digits than its factorization.

4142446263121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30183250.

The product of its digits is 221184, while the sum is 40.

The spelling of 4142446263121 in words is "four trillion, one hundred forty-two billion, four hundred forty-six million, two hundred sixty-three thousand, one hundred twenty-one".