380981605945 has 8 divisors (see below), whose sum is σ = 464926705920. Its totient is φ = 299619432240.

The previous prime is 380981605937. The next prime is 380981605967. The reversal of 380981605945 is 549506189083.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 380981605945 - 2³ = 380981605937 is a prime.

It is a super-3 number, since 3×380981605945³ (a number of 36 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 380981605945.

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, 645731241 + ... + 645731830.

It is an arithmetic number, because the mean of its divisors is an integer number (58115838240).

Almost surely, 2^380981605945 is an apocalyptic number.

It is an amenable number.

380981605945 is a deficient number, since it is larger than the sum of its proper divisors (83945099975).

380981605945 is a wasteful number, since it uses less digits than its factorization.

380981605945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291463135.

The product of its (nonzero) digits is 9331200, while the sum is 58.

The spelling of 380981605945 in words is "three hundred eighty billion, nine hundred eighty-one million, six hundred five thousand, nine hundred forty-five".