4456993907 has 4 divisors (see below), whose sum is σ = 4600767936. Its totient is φ = 4313219880.

The previous prime is 4456993859. The next prime is 4456993949. The reversal of 4456993907 is 7093996544.

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

It is a cyclic number.

It is not a de Polignac number, because 4456993907 - 2¹² = 4456989811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4456993967) 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, 71886968 + ... + 71887029.

It is an arithmetic number, because the mean of its divisors is an integer number (1150191984).

Almost surely, 2^4456993907 is an apocalyptic number.

4456993907 is a deficient number, since it is larger than the sum of its proper divisors (143774029).

4456993907 is a wasteful number, since it uses less digits than its factorization.

4456993907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143774028.

The product of its (nonzero) digits is 7348320, while the sum is 56.

The square root of 4456993907 is about 66760.7212887938. The cubic root of 4456993907 is about 1645.6874104667.

The spelling of 4456993907 in words is "four billion, four hundred fifty-six million, nine hundred ninety-three thousand, nine hundred seven".