1764142494 has 16 divisors (see below), whose sum is σ = 3539561232. Its totient is φ = 586168128.

The previous prime is 1764142489. The next prime is 1764142537. The reversal of 1764142494 is 4942414671.

It is a happy number.

It is a super-2 number, since 2×1764142494² = 6224397478273080072, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467809 + ... + 471564.

It is an arithmetic number, because the mean of its divisors is an integer number (221222577).

Almost surely, 2^1764142494 is an apocalyptic number.

1764142494 is an abundant number, since it is smaller than the sum of its proper divisors (1775418738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1764142494 is a wasteful number, since it uses less digits than its factorization.

1764142494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939691.

The product of its digits is 193536, while the sum is 42.

The square root of 1764142494 is about 42001.6963228868. The cubic root of 1764142494 is about 1208.3086571301.

The spelling of 1764142494 in words is "one billion, seven hundred sixty-four million, one hundred forty-two thousand, four hundred ninety-four".