36421613 has 8 divisors (see below), whose sum is σ = 38394720. Its totient is φ = 34454160.

The previous prime is 36421601. The next prime is 36421639. The reversal of 36421613 is 31612463.

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

It is a cyclic number.

It is not a de Polignac number, because 36421613 - 2⁶ = 36421549 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36421513) 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, 21431 + ... + 23067.

It is an arithmetic number, because the mean of its divisors is an integer number (4799340).

Almost surely, 2^36421613 is an apocalyptic number.

It is an amenable number.

36421613 is a deficient number, since it is larger than the sum of its proper divisors (1973107).

36421613 is a wasteful number, since it uses less digits than its factorization.

36421613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2827.

The product of its digits is 2592, while the sum is 26.

The square root of 36421613 is about 6035.0321457305. The cubic root of 36421613 is about 331.4767396001.

The spelling of 36421613 in words is "thirty-six million, four hundred twenty-one thousand, six hundred thirteen".