1322370551378 has 6 divisors (see below), whose sum is σ = 1983558266469. Its totient is φ = 661184462556.

The previous prime is 1322370551371. The next prime is 1322370551401. The reversal of 1322370551378 is 8731550732231.

It can be written as a sum of positive squares in 2 ways, for example, as 1321265188369 + 1105363009 = 1149463^2 + 33247^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=813133.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1322370551371) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1219700 + ... + 2032832.

Almost surely, 2^{1322370551378} is an apocalyptic number.

1322370551378 is a deficient number, since it is larger than the sum of its proper divisors (661187715091).

1322370551378 is an frugal number, since it uses more digits than its factorization.

1322370551378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626268 (or 813135 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 47.

The spelling of 1322370551378 in words is "one trillion, three hundred twenty-two billion, three hundred seventy million, five hundred fifty-one thousand, three hundred seventy-eight".