1773214487641 has 9 divisors (see below), whose sum is σ = 1781940531189. Its totient is φ = 1764530987100.

The previous prime is 1773214487609. The next prime is 1773214487657. The reversal of 1773214487641 is 1467844123771.

The square root of 1773214487641 is 1331621.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 1773214487641 - 2⁵ = 1773214487609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1773214485641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 280968876 + ... + 280975186.

Almost surely, 2^{1773214487641} is an apocalyptic number.

1773214487641 is the 1331621-st square number.

1773214487641 is the 665811-st centered octagonal number.

It is an amenable number.

1773214487641 is a deficient number, since it is larger than the sum of its proper divisors (8726043548).

1773214487641 is an frugal number, since it uses more digits than its factorization.

1773214487641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13044 (or 6522 counting only the distinct ones).

The product of its digits is 6322176, while the sum is 55.

The spelling of 1773214487641 in words is "one trillion, seven hundred seventy-three billion, two hundred fourteen million, four hundred eighty-seven thousand, six hundred forty-one".