42345546403 has 2 divisors, whose sum is σ = 42345546404. Its totient is φ = 42345546402.

The previous prime is 42345546319. The next prime is 42345546409. The reversal of 42345546403 is 30464554324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42345546403 - 2³³ = 33755611811 is a prime.

It is not a weakly prime, because it can be changed into another prime (42345546409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21172773201 + 21172773202.

It is an arithmetic number, because the mean of its divisors is an integer number (21172773202).

Almost surely, 2^42345546403 is an apocalyptic number.

42345546403 is a deficient number, since it is larger than the sum of its proper divisors (1).

42345546403 is an equidigital number, since it uses as much as digits as its factorization.

42345546403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 691200, while the sum is 40.

The spelling of 42345546403 in words is "forty-two billion, three hundred forty-five million, five hundred forty-six thousand, four hundred three".