381525632353 has 4 divisors (see below), whose sum is σ = 393832910848. Its totient is φ = 369218353860.

The previous prime is 381525632339. The next prime is 381525632377. The reversal of 381525632353 is 353236525183.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 353236525183 = 139589 ⋅2530547.

It is a cyclic number.

It is not a de Polignac number, because 381525632353 - 2⁵ = 381525632321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381525632753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6153639201 + ... + 6153639262.

It is an arithmetic number, because the mean of its divisors is an integer number (98458227712).

Almost surely, 2^381525632353 is an apocalyptic number.

It is an amenable number.

381525632353 is a deficient number, since it is larger than the sum of its proper divisors (12307278495).

381525632353 is a wasteful number, since it uses less digits than its factorization.

381525632353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12307278494.

The product of its digits is 1944000, while the sum is 46.

The spelling of 381525632353 in words is "three hundred eighty-one billion, five hundred twenty-five million, six hundred thirty-two thousand, three hundred fifty-three".