46240666421 has 4 divisors (see below), whose sum is σ = 46241258412. Its totient is φ = 46240074432.

The previous prime is 46240666403. The next prime is 46240666469. The reversal of 46240666421 is 12466604264.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45390302500 + 850363921 = 213050^2 + 29161^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46240666421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46240666471) 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, 157106 + ... + 342291.

It is an arithmetic number, because the mean of its divisors is an integer number (11560314603).

Almost surely, 2^46240666421 is an apocalyptic number.

It is an amenable number.

46240666421 is a deficient number, since it is larger than the sum of its proper divisors (591991).

46240666421 is an equidigital number, since it uses as much as digits as its factorization.

46240666421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591990.

The product of its (nonzero) digits is 331776, while the sum is 41.

The spelling of 46240666421 in words is "forty-six billion, two hundred forty million, six hundred sixty-six thousand, four hundred twenty-one".