6285749146 has 4 divisors (see below), whose sum is σ = 9428623722. Its totient is φ = 3142874572.

The previous prime is 6285749137. The next prime is 6285749147. The reversal of 6285749146 is 6419475826.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6045840025 + 239909121 = 77755^2 + 15489^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6285749093 and 6285749102.

It is not an unprimeable number, because it can be changed into a prime (6285749147) 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, 1571437285 + ... + 1571437288.

Almost surely, 2^6285749146 is an apocalyptic number.

6285749146 is a deficient number, since it is larger than the sum of its proper divisors (3142874576).

6285749146 is a wasteful number, since it uses less digits than its factorization.

6285749146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3142874575.

The product of its digits is 2903040, while the sum is 52.

The square root of 6285749146 is about 79282.7165654659. The cubic root of 6285749146 is about 1845.5211005454.

The spelling of 6285749146 in words is "six billion, two hundred eighty-five million, seven hundred forty-nine thousand, one hundred forty-six".