3420142513565 has 8 divisors (see below), whose sum is σ = 4127894549208. Its totient is φ = 2720298322240.

The previous prime is 3420142513537. The next prime is 3420142513583. The reversal of 3420142513565 is 5653152410243.

It can be written as a sum of positive squares in 4 ways, for example, as 1085120139481 + 2335022374084 = 1041691^2 + 1528078^2 .

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

It is not a de Polignac number, because 3420142513565 - 2²² = 3420138319261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1976960126 + ... + 1976961855.

It is an arithmetic number, because the mean of its divisors is an integer number (515986818651).

Almost surely, 2^{3420142513565} is an apocalyptic number.

It is an amenable number.

3420142513565 is a deficient number, since it is larger than the sum of its proper divisors (707752035643).

3420142513565 is a wasteful number, since it uses less digits than its factorization.

3420142513565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3953922159.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 3420142513565 in words is "three trillion, four hundred twenty billion, one hundred forty-two million, five hundred thirteen thousand, five hundred sixty-five".