853142253650 has 48 divisors (see below), whose sum is σ = 1721168666280. Its totient is φ = 313349222400.

The previous prime is 853142253647. The next prime is 853142253653. The reversal of 853142253650 is 56352241358.

It is a Cunningham number, because it is equal to 923657²+1.

It is an interprime number because it is at equal distance from previous prime (853142253647) and next prime (853142253653).

It can be written as a sum of positive squares in 12 ways, for example, as 60103915921 + 793038337729 = 245161^2 + 890527^2 .

It is not an unprimeable number, because it can be changed into a prime (853142253653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12205355 + ... + 12275054.

Almost surely, 2^853142253650 is an apocalyptic number.

853142253650 is an abundant number, since it is smaller than the sum of its proper divisors (868026412630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

853142253650 is a wasteful number, since it uses less digits than its factorization.

853142253650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24480479 (or 24480474 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 853142253650 in words is "eight hundred fifty-three billion, one hundred forty-two million, two hundred fifty-three thousand, six hundred fifty".