4020964757 has 4 divisors (see below), whose sum is σ = 4076046540. Its totient is φ = 3965882976.

The previous prime is 4020964693. The next prime is 4020964777. The reversal of 4020964757 is 7574690204.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1123188196 + 2897776561 = 33514^2 + 53831^2 .

It is a cyclic number.

It is not a de Polignac number, because 4020964757 - 2⁶ = 4020964693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020964777) 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 in 3 ways as a sum of consecutive naturals, for example, 27540782 + ... + 27540927.

It is an arithmetic number, because the mean of its divisors is an integer number (1019011635).

Almost surely, 2^4020964757 is an apocalyptic number.

It is an amenable number.

4020964757 is a deficient number, since it is larger than the sum of its proper divisors (55081783).

4020964757 is an equidigital number, since it uses as much as digits as its factorization.

4020964757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55081782.

The product of its (nonzero) digits is 423360, while the sum is 44.

The square root of 4020964757 is about 63411.0775574741. The cubic root of 4020964757 is about 1590.1695106911.

The spelling of 4020964757 in words is "four billion, twenty million, nine hundred sixty-four thousand, seven hundred fifty-seven".