35773561321 has 3 divisors (see below), whose sum is σ = 35773750461. Its totient is φ = 35773372182.

The previous prime is 35773561289. The next prime is 35773561339. The reversal of 35773561321 is 12316537753.

The square root of 35773561321 is 189139.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 35773561321 - 2⁵ = 35773561289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (35773567321) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 94570 + ... + 283708.

It is an arithmetic number, because the mean of its divisors is an integer number (11924583487).

Almost surely, 2^35773561321 is an apocalyptic number.

35773561321 is the 189139-th square number.

35773561321 is the 94570-th centered octagonal number.

It is an amenable number.

35773561321 is a deficient number, since it is larger than the sum of its proper divisors (189140).

35773561321 is an frugal number, since it uses more digits than its factorization.

35773561321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378278 (or 189139 counting only the distinct ones).

The product of its digits is 396900, while the sum is 43.

The spelling of 35773561321 in words is "thirty-five billion, seven hundred seventy-three million, five hundred sixty-one thousand, three hundred twenty-one".