1441961901 has 6 divisors (see below), whose sum is σ = 2082833870. Its totient is φ = 961307928.

The previous prime is 1441961863. The next prime is 1441961903. The reversal of 1441961901 is 1091691441.

It can be written as a sum of positive squares in only one way, i.e., 1230957225 + 211004676 = 35085^2 + 14526^2 .

It is not a de Polignac number, because 1441961901 - 2⁶ = 1441961837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1441961903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 80108986 + ... + 80109003.

Almost surely, 2^1441961901 is an apocalyptic number.

It is an amenable number.

1441961901 is a deficient number, since it is larger than the sum of its proper divisors (640871969).

1441961901 is a wasteful number, since it uses less digits than its factorization.

1441961901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160217995 (or 160217992 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 1441961901 is about 37973.1734386264. The cubic root of 1441961901 is about 1129.7558406881.

The spelling of 1441961901 in words is "one billion, four hundred forty-one million, nine hundred sixty-one thousand, nine hundred one".