9421660270407 has 16 divisors (see below), whose sum is σ = 15661980709632. Its totient is φ = 4894368971520.

The previous prime is 9421660270367. The next prime is 9421660270409. The reversal of 9421660270407 is 7040720661249.

It is not a de Polignac number, because 9421660270407 - 2²² = 9421656076103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9421660270409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20393203818 + ... + 20393204279.

It is an arithmetic number, because the mean of its divisors is an integer number (978873794352).

Almost surely, 2^{9421660270407} is an apocalyptic number.

9421660270407 is a deficient number, since it is larger than the sum of its proper divisors (6240320439225).

9421660270407 is a wasteful number, since it uses less digits than its factorization.

9421660270407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40786408118.

The product of its (nonzero) digits is 1016064, while the sum is 48.

The spelling of 9421660270407 in words is "nine trillion, four hundred twenty-one billion, six hundred sixty million, two hundred seventy thousand, four hundred seven".