1364650521 has 8 divisors (see below), whose sum is σ = 1959498240. Its totient is φ = 839784912.

The previous prime is 1364650517. The next prime is 1364650531. The reversal of 1364650521 is 1250564631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1364650521 - 2² = 1364650517 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1364650531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17495481 + ... + 17495558.

It is an arithmetic number, because the mean of its divisors is an integer number (244937280).

Almost surely, 2^1364650521 is an apocalyptic number.

It is an amenable number.

1364650521 is a deficient number, since it is larger than the sum of its proper divisors (594847719).

1364650521 is a wasteful number, since it uses less digits than its factorization.

1364650521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34991055.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 1364650521 is about 36941.1764972368. The cubic root of 1364650521 is about 1109.1930723304.

The spelling of 1364650521 in words is "one billion, three hundred sixty-four million, six hundred fifty thousand, five hundred twenty-one".