4501999157 has 2 divisors, whose sum is σ = 4501999158. Its totient is φ = 4501999156.

The previous prime is 4501999141. The next prime is 4501999217. The reversal of 4501999157 is 7519991054.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2716598641 + 1785400516 = 52121^2 + 42254^2 .

It is a cyclic number.

It is not a de Polignac number, because 4501999157 - 2⁴ = 4501999141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4501999057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2250999578 + 2250999579.

It is an arithmetic number, because the mean of its divisors is an integer number (2250999579).

Almost surely, 2^4501999157 is an apocalyptic number.

It is an amenable number.

4501999157 is a deficient number, since it is larger than the sum of its proper divisors (1).

4501999157 is an equidigital number, since it uses as much as digits as its factorization.

4501999157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 510300, while the sum is 50.

The square root of 4501999157 is about 67096.9385069095. The cubic root of 4501999157 is about 1651.2080723618.

The spelling of 4501999157 in words is "four billion, five hundred one million, nine hundred ninety-nine thousand, one hundred fifty-seven".