9428695407 has 20 divisors (see below), whose sum is σ = 14118507480. Its totient is φ = 6270772464.

The previous prime is 9428695379. The next prime is 9428695429. The reversal of 9428695407 is 7045968249.

9428695407 is a `hidden beast` number, since 94 + 2 + 8 + 6 + 9 + 540 + 7 = 666.

It is not a de Polignac number, because 9428695407 - 2⁶ = 9428695343 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9428695447) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 104968 + ... + 172845.

It is an arithmetic number, because the mean of its divisors is an integer number (705925374).

Almost surely, 2^9428695407 is an apocalyptic number.

9428695407 is a deficient number, since it is larger than the sum of its proper divisors (4689812073).

9428695407 is a wasteful number, since it uses less digits than its factorization.

9428695407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278244 (or 278235 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The square root of 9428695407 is about 97101.4696438731. The cubic root of 9428695407 is about 2112.5996428940.

The spelling of 9428695407 in words is "nine billion, four hundred twenty-eight million, six hundred ninety-five thousand, four hundred seven".