4997144536 has 8 divisors (see below), whose sum is σ = 9369646020. Its totient is φ = 2498572264.

The previous prime is 4997144531. The next prime is 4997144539. The reversal of 4997144536 is 6354417994.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4997144531) by changing a digit.

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, 312321526 + ... + 312321541.

Almost surely, 2^4997144536 is an apocalyptic number.

It is an amenable number.

4997144536 is a deficient number, since it is larger than the sum of its proper divisors (4372501484).

4997144536 is a wasteful number, since it uses less digits than its factorization.

4997144536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624643073 (or 624643069 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 52.

The square root of 4997144536 is about 70690.4840554936. The cubic root of 4997144536 is about 1709.6503663729.

The spelling of 4997144536 in words is "four billion, nine hundred ninety-seven million, one hundred forty-four thousand, five hundred thirty-six".