1349494074820 has 12 divisors (see below), whose sum is σ = 2833937557164. Its totient is φ = 539797629920.

The previous prime is 1349494074809. The next prime is 1349494074829. The reversal of 1349494074820 is 284704949431.

It can be written as a sum of positive squares in 2 ways, for example, as 323369646336 + 1026124428484 = 568656^2 + 1012978^2 .

It is a super-2 number, since 2×1349494074820² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1349494074829) 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, 33737351851 + ... + 33737351890.

It is an arithmetic number, because the mean of its divisors is an integer number (236161463097).

Almost surely, 2^{1349494074820} is an apocalyptic number.

1349494074820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1349494074820 is an abundant number, since it is smaller than the sum of its proper divisors (1484443482344).

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

1349494074820 is a wasteful number, since it uses less digits than its factorization.

1349494074820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67474703750 (or 67474703748 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 55.

The spelling of 1349494074820 in words is "one trillion, three hundred forty-nine billion, four hundred ninety-four million, seventy-four thousand, eight hundred twenty".