742523645407 has 2 divisors, whose sum is σ = 742523645408. Its totient is φ = 742523645406.

The previous prime is 742523645387. The next prime is 742523645417. The reversal of 742523645407 is 704546325247.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-742523645407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (742523645417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371261822703 + 371261822704.

It is an arithmetic number, because the mean of its divisors is an integer number (371261822704).

Almost surely, 2^742523645407 is an apocalyptic number.

742523645407 is a deficient number, since it is larger than the sum of its proper divisors (1).

742523645407 is an equidigital number, since it uses as much as digits as its factorization.

742523645407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5644800, while the sum is 49.

The spelling of 742523645407 in words is "seven hundred forty-two billion, five hundred twenty-three million, six hundred forty-five thousand, four hundred seven".