30428085764 has 6 divisors (see below), whose sum is σ = 53249150094. Its totient is φ = 15214042880.

The previous prime is 30428085763. The next prime is 30428085811. The reversal of 30428085764 is 46758082403.

It can be written as a sum of positive squares in only one way, i.e., 18373802500 + 12054283264 = 135550^2 + 109792^2 .

It is a super-2 number, since 2×30428085764² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30428085763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3803510717 + ... + 3803510724.

It is an arithmetic number, because the mean of its divisors is an integer number (8874858349).

Almost surely, 2^30428085764 is an apocalyptic number.

It is an amenable number.

30428085764 is a deficient number, since it is larger than the sum of its proper divisors (22821064330).

30428085764 is a wasteful number, since it uses less digits than its factorization.

30428085764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7607021445 (or 7607021443 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 47.

The spelling of 30428085764 in words is "thirty billion, four hundred twenty-eight million, eighty-five thousand, seven hundred sixty-four".