4051648413685 has 16 divisors (see below), whose sum is σ = 5029879901040. Its totient is φ = 3129395189760.

The previous prime is 4051648413679. The next prime is 4051648413689. The reversal of 4051648413685 is 5863148461504.

It can be written as a sum of positive squares in 8 ways, for example, as 9003352996 + 4042645060689 = 94886^2 + 2010633^2 .

It is not a de Polignac number, because 4051648413685 - 2²⁷ = 4051514195957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4051648413689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2316079 + ... + 3669811.

It is an arithmetic number, because the mean of its divisors is an integer number (314367493815).

Almost surely, 2^{4051648413685} is an apocalyptic number.

It is an amenable number.

4051648413685 is a deficient number, since it is larger than the sum of its proper divisors (978231487355).

4051648413685 is a wasteful number, since it uses less digits than its factorization.

4051648413685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374408.

The product of its (nonzero) digits is 11059200, while the sum is 55.

The spelling of 4051648413685 in words is "four trillion, fifty-one billion, six hundred forty-eight million, four hundred thirteen thousand, six hundred eighty-five".