36350140621 has 4 divisors (see below), whose sum is σ = 37332576892. Its totient is φ = 35367704352.

The previous prime is 36350140613. The next prime is 36350140663. The reversal of 36350140621 is 12604105363.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33948062500 + 2402078121 = 184250^2 + 49011^2 .

It is a cyclic number.

It is not a de Polignac number, because 36350140621 - 2³ = 36350140613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36350140121) 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, 491218080 + ... + 491218153.

It is an arithmetic number, because the mean of its divisors is an integer number (9333144223).

Almost surely, 2^36350140621 is an apocalyptic number.

It is an amenable number.

36350140621 is a deficient number, since it is larger than the sum of its proper divisors (982436271).

36350140621 is an equidigital number, since it uses as much as digits as its factorization.

36350140621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982436270.

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 36350140621 its reverse (12604105363), we get a palindrome (48954245984).

The spelling of 36350140621 in words is "thirty-six billion, three hundred fifty million, one hundred forty thousand, six hundred twenty-one".