4054551971 has 2 divisors, whose sum is σ = 4054551972. Its totient is φ = 4054551970.

The previous prime is 4054551959. The next prime is 4054552009. The reversal of 4054551971 is 1791554504.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4054551971 - 2²² = 4050357667 is a prime.

It is not a weakly prime, because it can be changed into another prime (4054551931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2027275985 + 2027275986.

It is an arithmetic number, because the mean of its divisors is an integer number (2027275986).

Almost surely, 2^4054551971 is an apocalyptic number.

4054551971 is a deficient number, since it is larger than the sum of its proper divisors (1).

4054551971 is an equidigital number, since it uses as much as digits as its factorization.

4054551971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126000, while the sum is 41.

The square root of 4054551971 is about 63675.3639251477. The cubic root of 4054551971 is about 1594.5848142526.

The spelling of 4054551971 in words is "four billion, fifty-four million, five hundred fifty-one thousand, nine hundred seventy-one".