36405246213 has 24 divisors (see below), whose sum is σ = 60221003648. Its totient is φ = 20760263712.

The previous prime is 36405246209. The next prime is 36405246223. The reversal of 36405246213 is 31264250463.

36405246213 is a `hidden beast` number, since 3 + 6 + 4 + 0 + 5 + 24 + 621 + 3 = 666.

It is not a de Polignac number, because 36405246213 - 2² = 36405246209 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 (36405246223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 562606 + ... + 623967.

Almost surely, 2^36405246213 is an apocalyptic number.

It is an amenable number.

36405246213 is a deficient number, since it is larger than the sum of its proper divisors (23815757435).

36405246213 is a wasteful number, since it uses less digits than its factorization.

36405246213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187073 (or 1187070 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 36405246213 its reverse (31264250463), we get a palindrome (67669496676).

The spelling of 36405246213 in words is "thirty-six billion, four hundred five million, two hundred forty-six thousand, two hundred thirteen".