38363505545 has 32 divisors (see below), whose sum is σ = 47259168768. Its totient is φ = 29887247808.

The previous prime is 38363505541. The next prime is 38363505581. The reversal of 38363505545 is 54550536383.

It is a cyclic number.

It is not a de Polignac number, because 38363505545 - 2² = 38363505541 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38363505545.

It is not an unprimeable number, because it can be changed into a prime (38363505541) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 24481352 + ... + 24482918.

It is an arithmetic number, because the mean of its divisors is an integer number (1476849024).

Almost surely, 2^38363505545 is an apocalyptic number.

It is an amenable number.

38363505545 is a deficient number, since it is larger than the sum of its proper divisors (8895663223).

38363505545 is a wasteful number, since it uses less digits than its factorization.

38363505545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2429.

The product of its (nonzero) digits is 3240000, while the sum is 47.

The spelling of 38363505545 in words is "thirty-eight billion, three hundred sixty-three million, five hundred five thousand, five hundred forty-five".