4020769827245 has 8 divisors (see below), whose sum is σ = 4824940112280. Its totient is φ = 3216604982080.

The previous prime is 4020769827227. The next prime is 4020769827289. The reversal of 4020769827245 is 5427289670204.

It can be written as a sum of positive squares in 4 ways, for example, as 49123403044 + 3971646424201 = 221638^2 + 1992899^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4020769827245 - 2⁸ = 4020769826989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496511 + ... + 2878899.

It is an arithmetic number, because the mean of its divisors is an integer number (603117514035).

Almost surely, 2^{4020769827245} is an apocalyptic number.

It is an amenable number.

4020769827245 is a deficient number, since it is larger than the sum of its proper divisors (804170285035).

4020769827245 is a wasteful number, since it uses less digits than its factorization.

4020769827245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2719935.

The product of its (nonzero) digits is 13547520, while the sum is 56.

The spelling of 4020769827245 in words is "four trillion, twenty billion, seven hundred sixty-nine million, eight hundred twenty-seven thousand, two hundred forty-five".