4051540433213 has 12 divisors (see below), whose sum is σ = 5075556147900. Its totient is φ = 3205614408192.

The previous prime is 4051540433183. The next prime is 4051540433323. The reversal of 4051540433213 is 3123340451504.

It can be written as a sum of positive squares in 2 ways, for example, as 2115983348164 + 1935557085049 = 1454642^2 + 1391243^2 .

It is not a de Polignac number, because 4051540433213 - 2¹² = 4051540429117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4051540433713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3180172388 + ... + 3180173661.

It is an arithmetic number, because the mean of its divisors is an integer number (422963012325).

Almost surely, 2^{4051540433213} is an apocalyptic number.

It is an amenable number.

4051540433213 is a deficient number, since it is larger than the sum of its proper divisors (1024015714687).

4051540433213 is a wasteful number, since it uses less digits than its factorization.

4051540433213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6360346076 (or 6360346069 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 4051540433213 its reverse (3123340451504), we get a palindrome (7174880884717).

The spelling of 4051540433213 in words is "four trillion, fifty-one billion, five hundred forty million, four hundred thirty-three thousand, two hundred thirteen".