46667721969 has 16 divisors (see below), whose sum is σ = 75422581440. Its totient is φ = 28283467680.

The previous prime is 46667721943. The next prime is 46667722027. The reversal of 46667721969 is 96912776664.

It is not a de Polignac number, because 46667721969 - 2³² = 42372754673 is a prime.

It is a super-2 number, since 2×46667721969² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (46667721869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78564892 + ... + 78565485.

It is an arithmetic number, because the mean of its divisors is an integer number (4713911340).

Almost surely, 2^46667721969 is an apocalyptic number.

It is an amenable number.

46667721969 is a deficient number, since it is larger than the sum of its proper divisors (28754859471).

46667721969 is a wasteful number, since it uses less digits than its factorization.

46667721969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157130397 (or 157130391 counting only the distinct ones).

The product of its digits is 41150592, while the sum is 63.

The spelling of 46667721969 in words is "forty-six billion, six hundred sixty-seven million, seven hundred twenty-one thousand, nine hundred sixty-nine".