38345642045 has 16 divisors (see below), whose sum is σ = 47919485952. Its totient is φ = 29424218880.

The previous prime is 38345641963. The next prime is 38345642047. The reversal of 38345642045 is 54024654383.

It is not a de Polignac number, because 38345642045 - 2¹⁶ = 38345576509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38345641987 and 38345642005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38345642047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1077137 + ... + 1112166.

It is an arithmetic number, because the mean of its divisors is an integer number (2994967872).

Almost surely, 2^38345642045 is an apocalyptic number.

It is an amenable number.

38345642045 is a deficient number, since it is larger than the sum of its proper divisors (9573843907).

38345642045 is a wasteful number, since it uses less digits than its factorization.

38345642045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2189452.

The product of its (nonzero) digits is 1382400, while the sum is 44.

The spelling of 38345642045 in words is "thirty-eight billion, three hundred forty-five million, six hundred forty-two thousand, forty-five".