1350971659820 has 24 divisors (see below), whose sum is σ = 2837386011600. Its totient is φ = 540322849472.

The previous prime is 1350971659783. The next prime is 1350971659823. The reversal of 1350971659820 is 289561790531.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1350971659823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3944915 + ... + 4273674.

It is an arithmetic number, because the mean of its divisors is an integer number (118224417150).

Almost surely, 2^{1350971659820} is an apocalyptic number.

1350971659820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1350971659820 is an abundant number, since it is smaller than the sum of its proper divisors (1486414351780).

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

1350971659820 is a wasteful number, since it uses less digits than its factorization.

1350971659820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8226817 (or 8226815 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 56.

The spelling of 1350971659820 in words is "one trillion, three hundred fifty billion, nine hundred seventy-one million, six hundred fifty-nine thousand, eight hundred twenty".