7121364365 has 16 divisors (see below), whose sum is σ = 8584645680. Its totient is φ = 5671142400.

The previous prime is 7121364347. The next prime is 7121364403. The reversal of 7121364365 is 5634631217.

It can be written as a sum of positive squares in 8 ways, for example, as 527437156 + 6593927209 = 22966^2 + 81203^2 .

It is not a de Polignac number, because 7121364365 - 2⁶ = 7121364301 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1178171 + ... + 1184199.

It is an arithmetic number, because the mean of its divisors is an integer number (536540355).

Almost surely, 2^7121364365 is an apocalyptic number.

It is an amenable number.

7121364365 is a deficient number, since it is larger than the sum of its proper divisors (1463281315).

7121364365 is a wasteful number, since it uses less digits than its factorization.

7121364365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7072.

The product of its digits is 90720, while the sum is 38.

The square root of 7121364365 is about 84388.1766896287. The cubic root of 7121364365 is about 1923.9232176638.

The spelling of 7121364365 in words is "seven billion, one hundred twenty-one million, three hundred sixty-four thousand, three hundred sixty-five".