4991153902 has 8 divisors (see below), whose sum is σ = 8556263856. Its totient is φ = 2139065952.

The previous prime is 4991153899. The next prime is 4991153917. The reversal of 4991153902 is 2093511994.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178255483 + ... + 178255510.

It is an arithmetic number, because the mean of its divisors is an integer number (1069532982).

Almost surely, 2^4991153902 is an apocalyptic number.

4991153902 is a deficient number, since it is larger than the sum of its proper divisors (3565109954).

4991153902 is a wasteful number, since it uses less digits than its factorization.

4991153902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356511002.

The product of its (nonzero) digits is 87480, while the sum is 43.

The square root of 4991153902 is about 70648.0990685524. The cubic root of 4991153902 is about 1708.9669103868.

The spelling of 4991153902 in words is "four billion, nine hundred ninety-one million, one hundred fifty-three thousand, nine hundred two".