4069820979427 has 12 divisors (see below), whose sum is σ = 4817141604496. Its totient is φ = 3368127702240.

The previous prime is 4069820979397. The next prime is 4069820979443. The reversal of 4069820979427 is 7249790289604.

It is not a de Polignac number, because 4069820979427 - 2³⁵ = 4035461241059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4069820979467) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 345655824 + ... + 345667597.

Almost surely, 2^{4069820979427} is an apocalyptic number.

4069820979427 is a deficient number, since it is larger than the sum of its proper divisors (747320625069).

4069820979427 is an equidigital number, since it uses as much as digits as its factorization.

4069820979427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691323486 (or 691323457 counting only the distinct ones).

The product of its (nonzero) digits is 109734912, while the sum is 67.

The spelling of 4069820979427 in words is "four trillion, sixty-nine billion, eight hundred twenty million, nine hundred seventy-nine thousand, four hundred twenty-seven".