399673544362 has 4 divisors (see below), whose sum is σ = 599510316546. Its totient is φ = 199836772180.

The previous prime is 399673544339. The next prime is 399673544377. The reversal of 399673544362 is 263445376993.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 263445376993 = 2731 ⋅96464803.

It can be written as a sum of positive squares in only one way, i.e., 398500550361 + 1172994001 = 631269^2 + 34249^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 399673544362.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99918386089 + ... + 99918386092.

Almost surely, 2^399673544362 is an apocalyptic number.

399673544362 is a deficient number, since it is larger than the sum of its proper divisors (199836772184).

399673544362 is a wasteful number, since it uses less digits than its factorization.

399673544362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199836772183.

The product of its digits is 88179840, while the sum is 61.

The spelling of 399673544362 in words is "three hundred ninety-nine billion, six hundred seventy-three million, five hundred forty-four thousand, three hundred sixty-two".