46993495909 has 4 divisors (see below), whose sum is σ = 47095434540. Its totient is φ = 46891557280.

The previous prime is 46993495889. The next prime is 46993495949. The reversal of 46993495909 is 90959439964.

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 17344099809 + 29649396100 = 131697^2 + 172190^2 .

It is a cyclic number.

It is not a de Polignac number, because 46993495909 - 2⁵ = 46993495877 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 (46993495949) 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, 50968624 + ... + 50969545.

It is an arithmetic number, because the mean of its divisors is an integer number (11773858635).

Almost surely, 2^46993495909 is an apocalyptic number.

It is an amenable number.

46993495909 is a deficient number, since it is larger than the sum of its proper divisors (101938631).

46993495909 is a wasteful number, since it uses less digits than its factorization.

46993495909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101938630.

The product of its (nonzero) digits is 85030560, while the sum is 67.

The spelling of 46993495909 in words is "forty-six billion, nine hundred ninety-three million, four hundred ninety-five thousand, nine hundred nine".