361645483942 has 4 divisors (see below), whose sum is σ = 542468225916. Its totient is φ = 180822741970.

The previous prime is 361645483921. The next prime is 361645483949. The reversal of 361645483942 is 249384546163.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 249384546163 = 26953 ⋅9252571.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361645483949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90411370984 + ... + 90411370987.

It is an arithmetic number, because the mean of its divisors is an integer number (135617056479).

Almost surely, 2^361645483942 is an apocalyptic number.

361645483942 is a deficient number, since it is larger than the sum of its proper divisors (180822741974).

361645483942 is a wasteful number, since it uses less digits than its factorization.

361645483942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180822741973.

The product of its digits is 14929920, while the sum is 55.

The spelling of 361645483942 in words is "three hundred sixty-one billion, six hundred forty-five million, four hundred eighty-three thousand, nine hundred forty-two".