1940969361650 has 24 divisors (see below), whose sum is σ = 3938403287664. Its totient is φ = 705807040400.

The previous prime is 1940969361637. The next prime is 1940969361659. The reversal of 1940969361650 is 561639690491.

It is a self number, because there is not a number n which added to its sum of digits gives 1940969361650.

It is not an unprimeable number, because it can be changed into a prime (1940969361659) 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, 1764517052 + ... + 1764518151.

It is an arithmetic number, because the mean of its divisors is an integer number (164100136986).

Almost surely, 2^{1940969361650} is an apocalyptic number.

1940969361650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1940969361650 is an abundant number, since it is smaller than the sum of its proper divisors (1997433926014).

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

1940969361650 is a wasteful number, since it uses less digits than its factorization.

1940969361650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3529035226 (or 3529035221 counting only the distinct ones).

The product of its (nonzero) digits is 9447840, while the sum is 59.

The spelling of 1940969361650 in words is "one trillion, nine hundred forty billion, nine hundred sixty-nine million, three hundred sixty-one thousand, six hundred fifty".