36630511421 has 8 divisors (see below), whose sum is σ = 41864782080. Its totient is φ = 31396575888.

The previous prime is 36630511403. The next prime is 36630511441. The reversal of 36630511421 is 12411503663.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36630511421 is a prime.

It is a super-2 number, since 2×36630511421² (a number of 22 digits) 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 (36630511441) 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, 227615 + ... + 353651.

It is an arithmetic number, because the mean of its divisors is an integer number (5233097760).

Almost surely, 2^36630511421 is an apocalyptic number.

It is an amenable number.

36630511421 is a deficient number, since it is larger than the sum of its proper divisors (5234270659).

36630511421 is a wasteful number, since it uses less digits than its factorization.

36630511421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167563.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 36630511421 in words is "thirty-six billion, six hundred thirty million, five hundred eleven thousand, four hundred twenty-one".