2215931609342 has 16 divisors (see below), whose sum is σ = 3631622869872. Its totient is φ = 1005699150720.

The previous prime is 2215931609291. The next prime is 2215931609357. The reversal of 2215931609342 is 2439061395122.

2215931609342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2215931609342² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77109803 + ... + 77138534.

It is an arithmetic number, because the mean of its divisors is an integer number (226976429367).

Almost surely, 2^{2215931609342} is an apocalyptic number.

2215931609342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2215931609342 is a deficient number, since it is larger than the sum of its proper divisors (1415691260530).

2215931609342 is a wasteful number, since it uses less digits than its factorization.

2215931609342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154249003.

The product of its (nonzero) digits is 699840, while the sum is 47.

The spelling of 2215931609342 in words is "two trillion, two hundred fifteen billion, nine hundred thirty-one million, six hundred nine thousand, three hundred forty-two".