402741019 has 2 divisors, whose sum is σ = 402741020. Its totient is φ = 402741018.

The previous prime is 402740977. The next prime is 402741037. The reversal of 402741019 is 910147204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 402741019 - 2¹⁷ = 402609947 is a prime.

It is a super-2 number, since 2×402741019² = 324400656770316722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (402741049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201370509 + 201370510.

It is an arithmetic number, because the mean of its divisors is an integer number (201370510).

Almost surely, 2^402741019 is an apocalyptic number.

402741019 is a deficient number, since it is larger than the sum of its proper divisors (1).

402741019 is an equidigital number, since it uses as much as digits as its factorization.

402741019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 402741019 is about 20068.4084819898. The cubic root of 402741019 is about 738.4854700731.

The spelling of 402741019 in words is "four hundred two million, seven hundred forty-one thousand, nineteen".