46689629977 has 4 divisors (see below), whose sum is σ = 46690114576. Its totient is φ = 46689145380.

The previous prime is 46689629971. The next prime is 46689630019. The reversal of 46689629977 is 77992698664.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46689629977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46689629971) 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, 43299 + ... + 308632.

It is an arithmetic number, because the mean of its divisors is an integer number (11672528644).

Almost surely, 2^46689629977 is an apocalyptic number.

It is an amenable number.

46689629977 is a deficient number, since it is larger than the sum of its proper divisors (484599).

46689629977 is a wasteful number, since it uses less digits than its factorization.

46689629977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484598.

The product of its digits is 493807104, while the sum is 73.

The spelling of 46689629977 in words is "forty-six billion, six hundred eighty-nine million, six hundred twenty-nine thousand, nine hundred seventy-seven".