1473201018257 has 4 divisors (see below), whose sum is σ = 1474995417396. Its totient is φ = 1471406619120.

The previous prime is 1473201018253. The next prime is 1473201018313. The reversal of 1473201018257 is 7528101023741.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 828056320576 + 645144697681 = 909976^2 + 803209^2 .

It is a cyclic number.

It is not a de Polignac number, because 1473201018257 - 2² = 1473201018253 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1473201018253) 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, 897198338 + ... + 897199979.

It is an arithmetic number, because the mean of its divisors is an integer number (368748854349).

Almost surely, 2^{1473201018257} is an apocalyptic number.

It is an amenable number.

1473201018257 is a deficient number, since it is larger than the sum of its proper divisors (1794399139).

1473201018257 is an equidigital number, since it uses as much as digits as its factorization.

1473201018257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794399138.

The product of its (nonzero) digits is 94080, while the sum is 41.

The spelling of 1473201018257 in words is "one trillion, four hundred seventy-three billion, two hundred one million, eighteen thousand, two hundred fifty-seven".