402254355539 has 2 divisors, whose sum is σ = 402254355540. Its totient is φ = 402254355538.

The previous prime is 402254355499. The next prime is 402254355557. The reversal of 402254355539 is 935553452204.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402254355539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402254355493 and 402254355502.

It is not a weakly prime, because it can be changed into another prime (402254355599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201127177769 + 201127177770.

It is an arithmetic number, because the mean of its divisors is an integer number (201127177770).

Almost surely, 2^402254355539 is an apocalyptic number.

402254355539 is a deficient number, since it is larger than the sum of its proper divisors (1).

402254355539 is an equidigital number, since it uses as much as digits as its factorization.

402254355539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240000, while the sum is 47.

The spelling of 402254355539 in words is "four hundred two billion, two hundred fifty-four million, three hundred fifty-five thousand, five hundred thirty-nine".