1352851781630 has 32 divisors (see below), whose sum is σ = 2443215718944. Its totient is φ = 539347326336.

The previous prime is 1352851781629. The next prime is 1352851781681. The reversal of 1352851781630 is 361871582531.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3813704 + ... + 4153316.

It is an arithmetic number, because the mean of its divisors is an integer number (76350491217).

Almost surely, 2^{1352851781630} is an apocalyptic number.

1352851781630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1352851781630 is a deficient number, since it is larger than the sum of its proper divisors (1090363937314).

1352851781630 is a wasteful number, since it uses less digits than its factorization.

1352851781630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340940.

The product of its (nonzero) digits is 1209600, while the sum is 50.

The spelling of 1352851781630 in words is "one trillion, three hundred fifty-two billion, eight hundred fifty-one million, seven hundred eighty-one thousand, six hundred thirty".