42742745351 has 2 divisors, whose sum is σ = 42742745352. Its totient is φ = 42742745350.

The previous prime is 42742745293. The next prime is 42742745407. The reversal of 42742745351 is 15354724724.

42742745351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42742745351 - 2¹⁸ = 42742483207 is a prime.

It is a super-2 number, since 2×42742745351² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42742745251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21371372675 + 21371372676.

It is an arithmetic number, because the mean of its divisors is an integer number (21371372676).

Almost surely, 2^42742745351 is an apocalyptic number.

42742745351 is a deficient number, since it is larger than the sum of its proper divisors (1).

42742745351 is an equidigital number, since it uses as much as digits as its factorization.

42742745351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 940800, while the sum is 44.

The spelling of 42742745351 in words is "forty-two billion, seven hundred forty-two million, seven hundred forty-five thousand, three hundred fifty-one".