1532633781327 has 12 divisors (see below), whose sum is σ = 2246174027160. Its totient is φ = 928868958160.

The previous prime is 1532633781319. The next prime is 1532633781361. The reversal of 1532633781327 is 7231873362351.

It is not a de Polignac number, because 1532633781327 - 2³ = 1532633781319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1532633781327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1532633785327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2111065452 + ... + 2111066177.

It is an arithmetic number, because the mean of its divisors is an integer number (187181168930).

Almost surely, 2^{1532633781327} is an apocalyptic number.

1532633781327 is a deficient number, since it is larger than the sum of its proper divisors (713540245833).

1532633781327 is a wasteful number, since it uses less digits than its factorization.

1532633781327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4222131654 (or 4222131643 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 51.

The spelling of 1532633781327 in words is "one trillion, five hundred thirty-two billion, six hundred thirty-three million, seven hundred eighty-one thousand, three hundred twenty-seven".