4021444300157 has 2 divisors, whose sum is σ = 4021444300158. Its totient is φ = 4021444300156.

The previous prime is 4021444300109. The next prime is 4021444300369. The reversal of 4021444300157 is 7510034441204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3967243338436 + 54200961721 = 1991794^2 + 232811^2 .

It is a cyclic number.

It is not a de Polignac number, because 4021444300157 - 2³⁴ = 4004264430973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4021444300057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010722150078 + 2010722150079.

It is an arithmetic number, because the mean of its divisors is an integer number (2010722150079).

Almost surely, 2^{4021444300157} is an apocalyptic number.

It is an amenable number.

4021444300157 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021444300157 is an equidigital number, since it uses as much as digits as its factorization.

4021444300157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53760, while the sum is 35.

The spelling of 4021444300157 in words is "four trillion, twenty-one billion, four hundred forty-four million, three hundred thousand, one hundred fifty-seven".