5691249118 has 4 divisors (see below), whose sum is σ = 8536873680. Its totient is φ = 2845624558.

The previous prime is 5691249107. The next prime is 5691249131. The reversal of 5691249118 is 8119421965.

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: 8119421965 = 5 ⋅1623884393.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1422812278 + ... + 1422812281.

It is an arithmetic number, because the mean of its divisors is an integer number (2134218420).

Almost surely, 2^5691249118 is an apocalyptic number.

5691249118 is a deficient number, since it is larger than the sum of its proper divisors (2845624562).

5691249118 is a wasteful number, since it uses less digits than its factorization.

5691249118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2845624561.

The product of its digits is 155520, while the sum is 46.

The square root of 5691249118 is about 75440.3679603964. The cubic root of 5691249118 is about 1785.4013767836.

It can be divided in two parts, 56912 and 49118, that added together give a triangular number (106030 = T₄₆₀).

The spelling of 5691249118 in words is "five billion, six hundred ninety-one million, two hundred forty-nine thousand, one hundred eighteen".