325378670564 has 6 divisors (see below), whose sum is σ = 569412673494. Its totient is φ = 162689335280.

The previous prime is 325378670543. The next prime is 325378670581. The reversal of 325378670564 is 465076873523.

It can be written as a sum of positive squares in only one way, i.e., 286171502500 + 39207168064 = 534950^2 + 198008^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40672333817 + ... + 40672333824.

It is an arithmetic number, because the mean of its divisors is an integer number (94902112249).

Almost surely, 2^325378670564 is an apocalyptic number.

It is an amenable number.

325378670564 is a deficient number, since it is larger than the sum of its proper divisors (244034002930).

325378670564 is a wasteful number, since it uses less digits than its factorization.

325378670564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81344667645 (or 81344667643 counting only the distinct ones).

The product of its (nonzero) digits is 25401600, while the sum is 56.

The spelling of 325378670564 in words is "three hundred twenty-five billion, three hundred seventy-eight million, six hundred seventy thousand, five hundred sixty-four".