38678403553445 has 16 divisors (see below), whose sum is σ = 48481966634112. Its totient is φ = 29566905635520.

The previous prime is 38678403553409. The next prime is 38678403553481. The reversal of 38678403553445 is 54435530487683.

It is an interprime number because it is at equal distance from previous prime (38678403553409) and next prime (38678403553481).

It is not a de Polignac number, because 38678403553445 - 2⁸ = 38678403553189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173077802 + ... + 173301131.

It is an arithmetic number, because the mean of its divisors is an integer number (3030122914632).

Almost surely, 2^{38678403553445} is an apocalyptic number.

It is an amenable number.

38678403553445 is a deficient number, since it is larger than the sum of its proper divisors (9803563080667).

38678403553445 is a wasteful number, since it uses less digits than its factorization.

38678403553445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346379932.

The product of its (nonzero) digits is 580608000, while the sum is 65.

The spelling of 38678403553445 in words is "thirty-eight trillion, six hundred seventy-eight billion, four hundred three million, five hundred fifty-three thousand, four hundred forty-five".