1913950087242 has 16 divisors (see below), whose sum is σ = 4029368604960. Its totient is φ = 604405290672.

The previous prime is 1913950087237. The next prime is 1913950087277. The reversal of 1913950087242 is 2427800593191.

It is a super-2 number, since 2×1913950087242² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8394517813 + ... + 8394518040.

It is an arithmetic number, because the mean of its divisors is an integer number (251835537810).

Almost surely, 2^{1913950087242} is an apocalyptic number.

1913950087242 is an abundant number, since it is smaller than the sum of its proper divisors (2115418517718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1913950087242 is a wasteful number, since it uses less digits than its factorization.

1913950087242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16789035877.

The product of its (nonzero) digits is 1088640, while the sum is 51.

The spelling of 1913950087242 in words is "one trillion, nine hundred thirteen billion, nine hundred fifty million, eighty-seven thousand, two hundred forty-two".