3654764020 has 12 divisors (see below), whose sum is σ = 7675004484. Its totient is φ = 1461905600.

The previous prime is 3654763997. The next prime is 3654764021. The reversal of 3654764020 is 204674563.

It can be written as a sum of positive squares in 2 ways, for example, as 1983099024 + 1671664996 = 44532^2 + 40886^2 .

It is a super-3 number, since 3×3654764020³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3654764021) 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, 91369081 + ... + 91369120.

It is an arithmetic number, because the mean of its divisors is an integer number (639583707).

Almost surely, 2^3654764020 is an apocalyptic number.

It is an amenable number.

3654764020 is an abundant number, since it is smaller than the sum of its proper divisors (4020240464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3654764020 is a wasteful number, since it uses less digits than its factorization.

3654764020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182738210 (or 182738208 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 37.

The square root of 3654764020 is about 60454.6443211768. The cubic root of 3654764020 is about 1540.3513028877.

The spelling of 3654764020 in words is "three billion, six hundred fifty-four million, seven hundred sixty-four thousand, twenty".