1373380650 has 48 divisors (see below), whose sum is σ = 3784430400. Its totient is φ = 366234480.

The previous prime is 1373380607. The next prime is 1373380661. The reversal of 1373380650 is 560833731.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 507310 + ... + 510009.

It is an arithmetic number, because the mean of its divisors is an integer number (78842300).

Almost surely, 2^1373380650 is an apocalyptic number.

1373380650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1373380650 is an abundant number, since it is smaller than the sum of its proper divisors (2411049750).

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

1373380650 is a wasteful number, since it uses less digits than its factorization.

1373380650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017340 (or 1017329 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 1373380650 is about 37059.1506918332. The cubic root of 1373380650 is about 1111.5533402075.

The spelling of 1373380650 in words is "one billion, three hundred seventy-three million, three hundred eighty thousand, six hundred fifty".