6154915853 has 2 divisors, whose sum is σ = 6154915854. Its totient is φ = 6154915852.

The previous prime is 6154915847. The next prime is 6154915937. The reversal of 6154915853 is 3585194516.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5221796644 + 933119209 = 72262^2 + 30547^2 .

It is a cyclic number.

It is not a de Polignac number, because 6154915853 - 2¹⁴ = 6154899469 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6154915798 and 6154915807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6154915843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3077457926 + 3077457927.

It is an arithmetic number, because the mean of its divisors is an integer number (3077457927).

Almost surely, 2^6154915853 is an apocalyptic number.

It is an amenable number.

6154915853 is a deficient number, since it is larger than the sum of its proper divisors (1).

6154915853 is an equidigital number, since it uses as much as digits as its factorization.

6154915853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648000, while the sum is 47.

The square root of 6154915853 is about 78453.2717800858. The cubic root of 6154915853 is about 1832.6268279771.

The spelling of 6154915853 in words is "six billion, one hundred fifty-four million, nine hundred fifteen thousand, eight hundred fifty-three".