1509447097201 has 4 divisors (see below), whose sum is σ = 1513429807600. Its totient is φ = 1505464386804.

The previous prime is 1509447097079. The next prime is 1509447097211. The reversal of 1509447097201 is 1027907449051.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1509447097201 - 2¹⁷ = 1509446966129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1509447097211) 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, 1991354631 + ... + 1991355388.

It is an arithmetic number, because the mean of its divisors is an integer number (378357451900).

Almost surely, 2^{1509447097201} is an apocalyptic number.

It is an amenable number.

1509447097201 is a deficient number, since it is larger than the sum of its proper divisors (3982710399).

1509447097201 is an equidigital number, since it uses as much as digits as its factorization.

1509447097201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3982710398.

The product of its (nonzero) digits is 635040, while the sum is 49.

The spelling of 1509447097201 in words is "one trillion, five hundred nine billion, four hundred forty-seven million, ninety-seven thousand, two hundred one".