4028515196851 has 4 divisors (see below), whose sum is σ = 4043832745392. Its totient is φ = 4013197648312.

The previous prime is 4028515196833. The next prime is 4028515196891. The reversal of 4028515196851 is 1586915158204.

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

It is a cyclic number.

It is not a de Polignac number, because 4028515196851 - 2³⁵ = 3994155458483 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4028515196792 and 4028515196801.

It is not an unprimeable number, because it can be changed into a prime (4028515196801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7658773876 + ... + 7658774401.

It is an arithmetic number, because the mean of its divisors is an integer number (1010958186348).

Almost surely, 2^{4028515196851} is an apocalyptic number.

4028515196851 is a deficient number, since it is larger than the sum of its proper divisors (15317548541).

4028515196851 is a wasteful number, since it uses less digits than its factorization.

4028515196851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15317548540.

The product of its (nonzero) digits is 3456000, while the sum is 55.

The spelling of 4028515196851 in words is "four trillion, twenty-eight billion, five hundred fifteen million, one hundred ninety-six thousand, eight hundred fifty-one".