1950231318643 has 4 divisors (see below), whose sum is σ = 1979339248840. Its totient is φ = 1921123388448.

The previous prime is 1950231318631. The next prime is 1950231318691. The reversal of 1950231318643 is 3468131320591.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1950231318643 - 2³³ = 1941641384051 is a prime.

It is a super-2 number, since 2×1950231318643² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1950231318593 and 1950231318602.

It is not an unprimeable number, because it can be changed into a prime (1950231318743) 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, 14553964998 + ... + 14553965131.

It is an arithmetic number, because the mean of its divisors is an integer number (494834812210).

Almost surely, 2^{1950231318643} is an apocalyptic number.

1950231318643 is a deficient number, since it is larger than the sum of its proper divisors (29107930197).

1950231318643 is an equidigital number, since it uses as much as digits as its factorization.

1950231318643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29107930196.

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 1950231318643 in words is "one trillion, nine hundred fifty billion, two hundred thirty-one million, three hundred eighteen thousand, six hundred forty-three".