1308853853 has 4 divisors (see below), whose sum is σ = 1321086240. Its totient is φ = 1296621468.

The previous prime is 1308853813. The next prime is 1308853867. The reversal of 1308853853 is 3583588031.

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 1308853853 - 2⁸ = 1308853597 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 (1308853813) 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, 6116033 + ... + 6116246.

It is an arithmetic number, because the mean of its divisors is an integer number (330271560).

Almost surely, 2^1308853853 is an apocalyptic number.

It is an amenable number.

1308853853 is a deficient number, since it is larger than the sum of its proper divisors (12232387).

1308853853 is a wasteful number, since it uses less digits than its factorization.

1308853853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12232386.

The product of its (nonzero) digits is 345600, while the sum is 44.

The square root of 1308853853 is about 36178.0852588967. The cubic root of 1308853853 is about 1093.8649798775.

The spelling of 1308853853 in words is "one billion, three hundred eight million, eight hundred fifty-three thousand, eight hundred fifty-three".