428064683948 has 12 divisors (see below), whose sum is σ = 817214396712. Its totient is φ = 194574856320.

The previous prime is 428064683947. The next prime is 428064683957. The reversal of 428064683948 is 849386460824.

It is a super-2 number, since 2×428064683948² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (428064683941) 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, 4864371365 + ... + 4864371452.

It is an arithmetic number, because the mean of its divisors is an integer number (68101199726).

Almost surely, 2^428064683948 is an apocalyptic number.

It is an amenable number.

428064683948 is a deficient number, since it is larger than the sum of its proper divisors (389149712764).

428064683948 is a wasteful number, since it uses less digits than its factorization.

428064683948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9728742832 (or 9728742830 counting only the distinct ones).

The product of its (nonzero) digits is 63700992, while the sum is 62.

The spelling of 428064683948 in words is "four hundred twenty-eight billion, sixty-four million, six hundred eighty-three thousand, nine hundred forty-eight".