3773064657561 has 8 divisors (see below), whose sum is σ = 5031835010400. Its totient is φ = 2514835371552.

The previous prime is 3773064657521. The next prime is 3773064657587. The reversal of 3773064657561 is 1657564603773.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3773064657561 - 2⁶ = 3773064657497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3773064657495 and 3773064657504.

It is not an unprimeable number, because it can be changed into a prime (3773064657521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135250435 + ... + 135278328.

It is an arithmetic number, because the mean of its divisors is an integer number (628979376300).

Almost surely, 2^{3773064657561} is an apocalyptic number.

It is an amenable number.

3773064657561 is a deficient number, since it is larger than the sum of its proper divisors (1258770352839).

3773064657561 is a wasteful number, since it uses less digits than its factorization.

3773064657561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270533415.

The product of its (nonzero) digits is 66679200, while the sum is 60.

The spelling of 3773064657561 in words is "three trillion, seven hundred seventy-three billion, sixty-four million, six hundred fifty-seven thousand, five hundred sixty-one".