3670640715549 has 4 divisors (see below), whose sum is σ = 4894187620736. Its totient is φ = 2447093810364.

The previous prime is 3670640715449. The next prime is 3670640715557. The reversal of 3670640715549 is 9455170460763.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3670640715549 - 2⁷ = 3670640715421 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 (3670640715149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611773452589 + ... + 611773452594.

It is an arithmetic number, because the mean of its divisors is an integer number (1223546905184).

Almost surely, 2^{3670640715549} is an apocalyptic number.

It is an amenable number.

3670640715549 is a deficient number, since it is larger than the sum of its proper divisors (1223546905187).

3670640715549 is a wasteful number, since it uses less digits than its factorization.

3670640715549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223546905186.

The product of its (nonzero) digits is 19051200, while the sum is 57.

The spelling of 3670640715549 in words is "three trillion, six hundred seventy billion, six hundred forty million, seven hundred fifteen thousand, five hundred forty-nine".