383648540651 has 4 divisors (see below), whose sum is σ = 383755678704. Its totient is φ = 383541402600.

The previous prime is 383648540623. The next prime is 383648540713. The reversal of 383648540651 is 156045846383.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-383648540651 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 383648540593 and 383648540602.

It is not an unprimeable number, because it can be changed into a prime (383648548651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53563655 + ... + 53570816.

It is an arithmetic number, because the mean of its divisors is an integer number (95938919676).

Almost surely, 2^383648540651 is an apocalyptic number.

383648540651 is a deficient number, since it is larger than the sum of its proper divisors (107138053).

383648540651 is a wasteful number, since it uses less digits than its factorization.

383648540651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107138052.

The product of its (nonzero) digits is 8294400, while the sum is 53.

The spelling of 383648540651 in words is "three hundred eighty-three billion, six hundred forty-eight million, five hundred forty thousand, six hundred fifty-one".