1050442425661 has 4 divisors (see below), whose sum is σ = 1086664578300. Its totient is φ = 1014220273024.

The previous prime is 1050442425583. The next prime is 1050442425707. The reversal of 1050442425661 is 1665242440501.

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 362879736025 + 687562689636 = 602395^2 + 829194^2 .

It is a cyclic number.

It is not a de Polignac number, because 1050442425661 - 2¹⁷ = 1050442294589 is a prime.

It is a super-2 number, since 2×1050442425661² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1050442426661) 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, 18111076276 + ... + 18111076333.

It is an arithmetic number, because the mean of its divisors is an integer number (271666144575).

Almost surely, 2^{1050442425661} is an apocalyptic number.

It is an amenable number.

1050442425661 is a deficient number, since it is larger than the sum of its proper divisors (36222152639).

1050442425661 is an equidigital number, since it uses as much as digits as its factorization.

1050442425661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36222152638.

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 1050442425661 in words is "one trillion, fifty billion, four hundred forty-two million, four hundred twenty-five thousand, six hundred sixty-one".