3561620364142 has 8 divisors (see below), whose sum is σ = 5342618685600. Its totient is φ = 1780747468944.

The previous prime is 3561620364119. The next prime is 3561620364149. The reversal of 3561620364142 is 2414630261653.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3561620364149) 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, 31285542 + ... + 31399177.

It is an arithmetic number, because the mean of its divisors is an integer number (667827335700).

Almost surely, 2^{3561620364142} is an apocalyptic number.

3561620364142 is a deficient number, since it is larger than the sum of its proper divisors (1780998321458).

3561620364142 is a wasteful number, since it uses less digits than its factorization.

3561620364142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62713130.

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 3561620364142 in words is "three trillion, five hundred sixty-one billion, six hundred twenty million, three hundred sixty-four thousand, one hundred forty-two".