1742142857259 has 16 divisors (see below), whose sum is σ = 2664489804800. Its totient is φ = 991836731520.

The previous prime is 1742142857239. The next prime is 1742142857261. The reversal of 1742142857259 is 9527582412471.

It is not a de Polignac number, because 1742142857259 - 2⁷ = 1742142857131 is a prime.

It is a super-3 number, since 3×1742142857259³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1742142857199 and 1742142857208.

It is not an unprimeable number, because it can be changed into a prime (1742142857239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153055534 + ... + 153066915.

It is an arithmetic number, because the mean of its divisors is an integer number (166530612800).

Almost surely, 2^{1742142857259} is an apocalyptic number.

1742142857259 is a deficient number, since it is larger than the sum of its proper divisors (922346947541).

1742142857259 is a wasteful number, since it uses less digits than its factorization.

1742142857259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306122730.

The product of its digits is 11289600, while the sum is 57.

The spelling of 1742142857259 in words is "one trillion, seven hundred forty-two billion, one hundred forty-two million, eight hundred fifty-seven thousand, two hundred fifty-nine".