402534949027 has 2 divisors, whose sum is σ = 402534949028. Its totient is φ = 402534949026.

The previous prime is 402534948967. The next prime is 402534949043. The reversal of 402534949027 is 720949435204.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 402534949027 - 2²³ = 402526560419 is a prime.

It is not a weakly prime, because it can be changed into another prime (402534949727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201267474513 + 201267474514.

It is an arithmetic number, because the mean of its divisors is an integer number (201267474514).

Almost surely, 2^402534949027 is an apocalyptic number.

402534949027 is a deficient number, since it is larger than the sum of its proper divisors (1).

402534949027 is an equidigital number, since it uses as much as digits as its factorization.

402534949027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 49.

The spelling of 402534949027 in words is "four hundred two billion, five hundred thirty-four million, nine hundred forty-nine thousand, twenty-seven".