1603274856452 has 6 divisors (see below), whose sum is σ = 2805730998798. Its totient is φ = 801637428224.

The previous prime is 1603274856451. The next prime is 1603274856481. The reversal of 1603274856452 is 2546584723061.

It can be written as a sum of positive squares in only one way, i.e., 1284835852036 + 318439004416 = 1133506^2 + 564304^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1603274856394 and 1603274856403.

It is not an unprimeable number, because it can be changed into a prime (1603274856451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200409357053 + ... + 200409357060.

It is an arithmetic number, because the mean of its divisors is an integer number (467621833133).

Almost surely, 2^{1603274856452} is an apocalyptic number.

It is an amenable number.

1603274856452 is a deficient number, since it is larger than the sum of its proper divisors (1202456142346).

1603274856452 is a wasteful number, since it uses less digits than its factorization.

1603274856452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400818714117 (or 400818714115 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 53.

The spelling of 1603274856452 in words is "one trillion, six hundred three billion, two hundred seventy-four million, eight hundred fifty-six thousand, four hundred fifty-two".