1364220773 has 4 divisors (see below), whose sum is σ = 1364470368. Its totient is φ = 1363971180.

The previous prime is 1364220761. The next prime is 1364220787. The reversal of 1364220773 is 3770224631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1364220773 - 2¹⁰ = 1364219749 is a prime.

It is a super-2 number, since 2×1364220773² = 3722196634969435058, which 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 (1364220173) 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, 116411 + ... + 127592.

It is an arithmetic number, because the mean of its divisors is an integer number (341117592).

Almost surely, 2^1364220773 is an apocalyptic number.

It is an amenable number.

1364220773 is a deficient number, since it is larger than the sum of its proper divisors (249595).

1364220773 is an equidigital number, since it uses as much as digits as its factorization.

1364220773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249594.

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 1364220773 is about 36935.3593863658. The cubic root of 1364220773 is about 1109.0766265096.

The spelling of 1364220773 in words is "one billion, three hundred sixty-four million, two hundred twenty thousand, seven hundred seventy-three".