1933897438406 has 16 divisors (see below), whose sum is σ = 3054740277600. Its totient is φ = 916422078528.

The previous prime is 1933897438387. The next prime is 1933897438457. The reversal of 1933897438406 is 6048347983391.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192844751 + ... + 192854778.

It is an arithmetic number, because the mean of its divisors is an integer number (190921267350).

Almost surely, 2^{1933897438406} is an apocalyptic number.

1933897438406 is a deficient number, since it is larger than the sum of its proper divisors (1120842839194).

1933897438406 is a wasteful number, since it uses less digits than its factorization.

1933897438406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385699663.

The product of its (nonzero) digits is 94058496, while the sum is 65.

The spelling of 1933897438406 in words is "one trillion, nine hundred thirty-three billion, eight hundred ninety-seven million, four hundred thirty-eight thousand, four hundred six".