4041154523621 has 2 divisors, whose sum is σ = 4041154523622. Its totient is φ = 4041154523620.

The previous prime is 4041154523603. The next prime is 4041154523663. The reversal of 4041154523621 is 1263254511404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3654830121121 + 386324402500 = 1911761^2 + 621550^2 .

It is a cyclic number.

It is not a de Polignac number, because 4041154523621 - 2¹⁸ = 4041154261477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4041154523221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2020577261810 + 2020577261811.

It is an arithmetic number, because the mean of its divisors is an integer number (2020577261811).

Almost surely, 2^{4041154523621} is an apocalyptic number.

It is an amenable number.

4041154523621 is a deficient number, since it is larger than the sum of its proper divisors (1).

4041154523621 is an equidigital number, since it uses as much as digits as its factorization.

4041154523621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 4041154523621 in words is "four trillion, forty-one billion, one hundred fifty-four million, five hundred twenty-three thousand, six hundred twenty-one".