2091462521444 has 6 divisors (see below), whose sum is σ = 3660059412534. Its totient is φ = 1045731260720.

The previous prime is 2091462521411. The next prime is 2091462521503. The reversal of 2091462521444 is 4441252641902.

It can be written as a sum of positive squares in only one way, i.e., 1261016702500 + 830445818944 = 1122950^2 + 911288^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2091462521395 and 2091462521404.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261432815177 + ... + 261432815184.

It is an arithmetic number, because the mean of its divisors is an integer number (610009902089).

Almost surely, 2^{2091462521444} is an apocalyptic number.

It is an amenable number.

2091462521444 is a deficient number, since it is larger than the sum of its proper divisors (1568596891090).

2091462521444 is a wasteful number, since it uses less digits than its factorization.

2091462521444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522865630365 (or 522865630363 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 44.

The spelling of 2091462521444 in words is "two trillion, ninety-one billion, four hundred sixty-two million, five hundred twenty-one thousand, four hundred forty-four".