5991393199954 has 4 divisors (see below), whose sum is σ = 8987089799934. Its totient is φ = 2995696599976.

The previous prime is 5991393199927. The next prime is 5991393199969. The reversal of 5991393199954 is 4599913931995.

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., 4720959891729 + 1270433308225 = 2172777^2 + 1127135^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1497848299987 + ... + 1497848299990.

Almost surely, 2^{5991393199954} is an apocalyptic number.

5991393199954 is a deficient number, since it is larger than the sum of its proper divisors (2995696599980).

5991393199954 is a wasteful number, since it uses less digits than its factorization.

5991393199954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2995696599979.

The product of its digits is 478296900, while the sum is 76.

The spelling of 5991393199954 in words is "five trillion, nine hundred ninety-one billion, three hundred ninety-three million, one hundred ninety-nine thousand, nine hundred fifty-four".