3562445663661 has 4 divisors (see below), whose sum is σ = 4749927551552. Its totient is φ = 2374963775772.

The previous prime is 3562445663633. The next prime is 3562445663713. The reversal of 3562445663661 is 1663665442653.

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 3562445663661 - 2¹⁹ = 3562445139373 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 (3562445763661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 593740943941 + ... + 593740943946.

It is an arithmetic number, because the mean of its divisors is an integer number (1187481887888).

Almost surely, 2^{3562445663661} is an apocalyptic number.

It is an amenable number.

3562445663661 is a deficient number, since it is larger than the sum of its proper divisors (1187481887891).

3562445663661 is a wasteful number, since it uses less digits than its factorization.

3562445663661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187481887890.

The product of its digits is 55987200, while the sum is 57.

The spelling of 3562445663661 in words is "three trillion, five hundred sixty-two billion, four hundred forty-five million, six hundred sixty-three thousand, six hundred sixty-one".