2135011431646 has 16 divisors (see below), whose sum is σ = 3254067160848. Its totient is φ = 1050452064000.

The previous prime is 2135011431643. The next prime is 2135011431653. The reversal of 2135011431646 is 6461341105312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135011431643) 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, 32388435 + ... + 32454286.

It is an arithmetic number, because the mean of its divisors is an integer number (203379197553).

Almost surely, 2^{2135011431646} is an apocalyptic number.

2135011431646 is a deficient number, since it is larger than the sum of its proper divisors (1119055729202).

2135011431646 is a wasteful number, since it uses less digits than its factorization.

2135011431646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64842987.

The product of its (nonzero) digits is 51840, while the sum is 37.

Adding to 2135011431646 its reverse (6461341105312), we get a palindrome (8596352536958).

The spelling of 2135011431646 in words is "two trillion, one hundred thirty-five billion, eleven million, four hundred thirty-one thousand, six hundred forty-six".