46636762231918 has 4 divisors (see below), whose sum is σ = 69955143347880. Its totient is φ = 23318381115958.

The previous prime is 46636762231901. The next prime is 46636762231919. The reversal of 46636762231918 is 81913226763664.

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

It is a self number, because there is not a number n which added to its sum of digits gives 46636762231918.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46636762231919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11659190557978 + ... + 11659190557981.

It is an arithmetic number, because the mean of its divisors is an integer number (17488785836970).

Almost surely, 2^{46636762231918} is an apocalyptic number.

46636762231918 is a deficient number, since it is larger than the sum of its proper divisors (23318381115962).

46636762231918 is a wasteful number, since it uses less digits than its factorization.

46636762231918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23318381115961.

The product of its digits is 94058496, while the sum is 64.

The spelling of 46636762231918 in words is "forty-six trillion, six hundred thirty-six billion, seven hundred sixty-two million, two hundred thirty-one thousand, nine hundred eighteen".