6294142985 has 16 divisors (see below), whose sum is σ = 8612439696. Its totient is φ = 4374571008.

The previous prime is 6294142973. The next prime is 6294143029. The reversal of 6294142985 is 5892414926.

It can be written as a sum of positive squares in 8 ways, for example, as 261824761 + 6032318224 = 16181^2 + 77668^2 .

It is a cyclic number.

It is not a de Polignac number, because 6294142985 - 2¹⁰ = 6294141961 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2846924 + ... + 2849133.

It is an arithmetic number, because the mean of its divisors is an integer number (538277481).

Almost surely, 2^6294142985 is an apocalyptic number.

6294142985 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6294142985 is a deficient number, since it is larger than the sum of its proper divisors (2318296711).

6294142985 is a wasteful number, since it uses less digits than its factorization.

6294142985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5696092.

The product of its digits is 1244160, while the sum is 50.

The square root of 6294142985 is about 79335.6350261344. The cubic root of 6294142985 is about 1846.3422233902.

The spelling of 6294142985 in words is "six billion, two hundred ninety-four million, one hundred forty-two thousand, nine hundred eighty-five".