252063187387643 has 16 divisors (see below), whose sum is σ = 254513294004960. Its totient is φ = 249614842848000.

The previous prime is 252063187387639. The next prime is 252063187387763. The reversal of 252063187387643 is 346783781360252.

It is a cyclic number.

It is not a de Polignac number, because 252063187387643 - 2² = 252063187387639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252063187387643.

It is not an unprimeable number, because it can be changed into a prime (252063187387633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4863336053 + ... + 4863387881.

It is an arithmetic number, because the mean of its divisors is an integer number (15907080875310).

Almost surely, 2^{252063187387643} is an apocalyptic number.

252063187387643 is a deficient number, since it is larger than the sum of its proper divisors (2450106617317).

252063187387643 is a wasteful number, since it uses less digits than its factorization.

252063187387643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67918.

The product of its (nonzero) digits is 243855360, while the sum is 65.

The spelling of 252063187387643 in words is "two hundred fifty-two trillion, sixty-three billion, one hundred eighty-seven million, three hundred eighty-seven thousand, six hundred forty-three".