6461012364853 has 4 divisors (see below), whose sum is σ = 6461033546080. Its totient is φ = 6460991183628.

The previous prime is 6461012364839. The next prime is 6461012364893. The reversal of 6461012364853 is 3584632101646.

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 6461012364853 - 2²⁵ = 6460978810421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6461012364797 and 6461012364806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6461012364893) 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, 10126275 + ... + 10745392.

It is an arithmetic number, because the mean of its divisors is an integer number (1615258386520).

Almost surely, 2^{6461012364853} is an apocalyptic number.

It is an amenable number.

6461012364853 is a deficient number, since it is larger than the sum of its proper divisors (21181227).

6461012364853 is a wasteful number, since it uses less digits than its factorization.

6461012364853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21181226.

The product of its (nonzero) digits is 2488320, while the sum is 49.

The spelling of 6461012364853 in words is "six trillion, four hundred sixty-one billion, twelve million, three hundred sixty-four thousand, eight hundred fifty-three".