9426381028 has 6 divisors (see below), whose sum is σ = 16496166806. Its totient is φ = 4713190512.

The previous prime is 9426381007. The next prime is 9426381127. The reversal of 9426381028 is 8201836249.

It can be written as a sum of positive squares in only one way, i.e., 7979491584 + 1446889444 = 89328^2 + 38038^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1178297625 + ... + 1178297632.

Almost surely, 2^9426381028 is an apocalyptic number.

It is an amenable number.

9426381028 is a deficient number, since it is larger than the sum of its proper divisors (7069785778).

9426381028 is a wasteful number, since it uses less digits than its factorization.

9426381028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2356595261 (or 2356595259 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 9426381028 is about 97089.5515902715. The cubic root of 9426381028 is about 2112.4267749930.

The spelling of 9426381028 in words is "nine billion, four hundred twenty-six million, three hundred eighty-one thousand, twenty-eight".