945946679554 has 4 divisors (see below), whose sum is σ = 1418920019334. Its totient is φ = 472973339776.

The previous prime is 945946679549. The next prime is 945946679591. The reversal of 945946679554 is 455976649549.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 716723094025 + 229223585529 = 846595^2 + 478773^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236486669887 + ... + 236486669890.

Almost surely, 2^945946679554 is an apocalyptic number.

945946679554 is a deficient number, since it is larger than the sum of its proper divisors (472973339780).

945946679554 is a wasteful number, since it uses less digits than its factorization.

945946679554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472973339779.

The product of its digits is 1469664000, while the sum is 73.

The spelling of 945946679554 in words is "nine hundred forty-five billion, nine hundred forty-six million, six hundred seventy-nine thousand, five hundred fifty-four".