42774933319 has 2 divisors, whose sum is σ = 42774933320. Its totient is φ = 42774933318.

The previous prime is 42774933283. The next prime is 42774933349. The reversal of 42774933319 is 91333947724.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42774933319 is a prime.

It is a super-2 number, since 2×42774933319² (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 (42774933349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21387466659 + 21387466660.

It is an arithmetic number, because the mean of its divisors is an integer number (21387466660).

Almost surely, 2^42774933319 is an apocalyptic number.

42774933319 is a deficient number, since it is larger than the sum of its proper divisors (1).

42774933319 is an equidigital number, since it uses as much as digits as its factorization.

42774933319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3429216, while the sum is 52.

The spelling of 42774933319 in words is "forty-two billion, seven hundred seventy-four million, nine hundred thirty-three thousand, three hundred nineteen".