46188021946 has 8 divisors (see below), whose sum is σ = 75580399584. Its totient is φ = 20994555420.

The previous prime is 46188021857. The next prime is 46188021947. The reversal of 46188021946 is 64912088164.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 46188021946.

It is not an unprimeable number, because it can be changed into a prime (46188021947) 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, 1049727750 + ... + 1049727793.

It is an arithmetic number, because the mean of its divisors is an integer number (9447549948).

Almost surely, 2^46188021946 is an apocalyptic number.

46188021946 is a deficient number, since it is larger than the sum of its proper divisors (29392377638).

46188021946 is a wasteful number, since it uses less digits than its factorization.

46188021946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2099455556.

The product of its (nonzero) digits is 663552, while the sum is 49.

The spelling of 46188021946 in words is "forty-six billion, one hundred eighty-eight million, twenty-one thousand, nine hundred forty-six".