442140763 has 2 divisors, whose sum is σ = 442140764. Its totient is φ = 442140762.

The previous prime is 442140739. The next prime is 442140781. The reversal of 442140763 is 367041244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 442140763 - 2¹⁷ = 442009691 is a prime.

It is not a weakly prime, because it can be changed into another prime (442140793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221070381 + 221070382.

It is an arithmetic number, because the mean of its divisors is an integer number (221070382).

Almost surely, 2^442140763 is an apocalyptic number.

442140763 is a deficient number, since it is larger than the sum of its proper divisors (1).

442140763 is an equidigital number, since it uses as much as digits as its factorization.

442140763 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 442140763 is about 21027.1434817000. The cubic root of 442140763 is about 761.8220152040.

The spelling of 442140763 in words is "four hundred forty-two million, one hundred forty thousand, seven hundred sixty-three".