1376366730403 has 48 divisors (see below), whose sum is σ = 1637334147360. Its totient is φ = 1153283443200.

The previous prime is 1376366730391. The next prime is 1376366730421. The reversal of 1376366730403 is 3040376636731.

It is a de Polignac number, because none of the positive numbers 2^k-1376366730403 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1376366730463) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 712035625 + ... + 712037557.

It is an arithmetic number, because the mean of its divisors is an integer number (34111128070).

Almost surely, 2^{1376366730403} is an apocalyptic number.

1376366730403 is a deficient number, since it is larger than the sum of its proper divisors (260967416957).

1376366730403 is a wasteful number, since it uses less digits than its factorization.

1376366730403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3348 (or 3341 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 49.

The spelling of 1376366730403 in words is "one trillion, three hundred seventy-six billion, three hundred sixty-six million, seven hundred thirty thousand, four hundred three".