4991251562 has 16 divisors (see below), whose sum is σ = 8204136192. Its totient is φ = 2258574720.

The previous prime is 4991251519. The next prime is 4991251589. The reversal of 4991251562 is 2651521994.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 503783 + ... + 513594.

It is an arithmetic number, because the mean of its divisors is an integer number (512758512).

Almost surely, 2^4991251562 is an apocalyptic number.

4991251562 is a deficient number, since it is larger than the sum of its proper divisors (3212884630).

4991251562 is a wasteful number, since it uses less digits than its factorization.

4991251562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017613.

The product of its digits is 194400, while the sum is 44.

The square root of 4991251562 is about 70648.7902373424. The cubic root of 4991251562 is about 1708.9780565481.

The spelling of 4991251562 in words is "four billion, nine hundred ninety-one million, two hundred fifty-one thousand, five hundred sixty-two".