5135546063821 has 4 divisors (see below), whose sum is σ = 5140770424992. Its totient is φ = 5130321702652.

The previous prime is 5135546063777. The next prime is 5135546063839. The reversal of 5135546063821 is 1283606455315.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5135546063821 - 2¹⁷ = 5135545932749 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 (5135546064821) 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, 2612179111 + ... + 2612181076.

It is an arithmetic number, because the mean of its divisors is an integer number (1285192606248).

Almost surely, 2^{5135546063821} is an apocalyptic number.

It is an amenable number.

5135546063821 is a deficient number, since it is larger than the sum of its proper divisors (5224361171).

5135546063821 is an equidigital number, since it uses as much as digits as its factorization.

5135546063821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5224361170.

The product of its (nonzero) digits is 2592000, while the sum is 49.

The spelling of 5135546063821 in words is "five trillion, one hundred thirty-five billion, five hundred forty-six million, sixty-three thousand, eight hundred twenty-one".