4050154561 has 2 divisors, whose sum is σ = 4050154562. Its totient is φ = 4050154560.

The previous prime is 4050154517. The next prime is 4050154609. The reversal of 4050154561 is 1654510504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2111953936 + 1938200625 = 45956^2 + 44025^2 .

It is a cyclic number.

It is not a de Polignac number, because 4050154561 - 2²⁵ = 4016600129 is a prime.

It is not a weakly prime, because it can be changed into another prime (4050154261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2025077280 + 2025077281.

It is an arithmetic number, because the mean of its divisors is an integer number (2025077281).

Almost surely, 2^4050154561 is an apocalyptic number.

It is an amenable number.

4050154561 is a deficient number, since it is larger than the sum of its proper divisors (1).

4050154561 is an equidigital number, since it uses as much as digits as its factorization.

4050154561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 4050154561 is about 63640.8246411060. The cubic root of 4050154561 is about 1594.0081307470.

The spelling of 4050154561 in words is "four billion, fifty million, one hundred fifty-four thousand, five hundred sixty-one".