4540047851 has 2 divisors, whose sum is σ = 4540047852. Its totient is φ = 4540047850.

The previous prime is 4540047847. The next prime is 4540047871. The reversal of 4540047851 is 1587400454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4540047851 - 2² = 4540047847 is a prime.

It is a super-2 number, since 2×4540047851² = 41224068978739436402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4540047821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2270023925 + 2270023926.

It is an arithmetic number, because the mean of its divisors is an integer number (2270023926).

Almost surely, 2^4540047851 is an apocalyptic number.

4540047851 is a deficient number, since it is larger than the sum of its proper divisors (1).

4540047851 is an equidigital number, since it uses as much as digits as its factorization.

4540047851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 89600, while the sum is 38.

The square root of 4540047851 is about 67379.8771963856. The cubic root of 4540047851 is about 1655.8467630452.

The spelling of 4540047851 in words is "four billion, five hundred forty million, forty-seven thousand, eight hundred fifty-one".