1742494151 has 2 divisors, whose sum is σ = 1742494152. Its totient is φ = 1742494150.

The previous prime is 1742494111. The next prime is 1742494153. The reversal of 1742494151 is 1514942471.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1742494151 is a prime.

Together with 1742494153, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1742494153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 871247075 + 871247076.

It is an arithmetic number, because the mean of its divisors is an integer number (871247076).

Almost surely, 2^1742494151 is an apocalyptic number.

1742494151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1742494151 is an equidigital number, since it uses as much as digits as its factorization.

1742494151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 38.

The square root of 1742494151 is about 41743.1928702154. The cubic root of 1742494151 is about 1203.3457902826.

The spelling of 1742494151 in words is "one billion, seven hundred forty-two million, four hundred ninety-four thousand, one hundred fifty-one".