1352550620731 has 4 divisors (see below), whose sum is σ = 1352811283200. Its totient is φ = 1352289958264.

The previous prime is 1352550620677. The next prime is 1352550620741. The reversal of 1352550620731 is 1370260552531.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1352550620731 - 2²³ = 1352542232123 is a prime.

It is a super-2 number, since 2×1352550620731² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1352550620741) 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 3 ways as a sum of consecutive naturals, for example, 130323451 + ... + 130333828.

It is an arithmetic number, because the mean of its divisors is an integer number (338202820800).

Almost surely, 2^{1352550620731} is an apocalyptic number.

1352550620731 is a deficient number, since it is larger than the sum of its proper divisors (260662469).

1352550620731 is an equidigital number, since it uses as much as digits as its factorization.

1352550620731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260662468.

The product of its (nonzero) digits is 189000, while the sum is 40.

The spelling of 1352550620731 in words is "one trillion, three hundred fifty-two billion, five hundred fifty million, six hundred twenty thousand, seven hundred thirty-one".