919220370943 has 12 divisors (see below), whose sum is σ = 1085256829272. Its totient is φ = 776143423440.

The previous prime is 919220370931. The next prime is 919220370989. The reversal of 919220370943 is 349073022919.

It is not a de Polignac number, because 919220370943 - 2⁵ = 919220370911 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (919220370043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139993728 + ... + 140000293.

It is an arithmetic number, because the mean of its divisors is an integer number (90438069106).

Almost surely, 2^919220370943 is an apocalyptic number.

919220370943 is a deficient number, since it is larger than the sum of its proper divisors (166036458329).

919220370943 is a wasteful number, since it uses less digits than its factorization.

919220370943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279994102 (or 279994095 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 49.

The spelling of 919220370943 in words is "nine hundred nineteen billion, two hundred twenty million, three hundred seventy thousand, nine hundred forty-three".