1009288379401 has 2 divisors, whose sum is σ = 1009288379402. Its totient is φ = 1009288379400.

The previous prime is 1009288379387. The next prime is 1009288379447. The reversal of 1009288379401 is 1049738829001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 998152853776 + 11135525625 = 999076^2 + 105525^2 .

It is a cyclic number.

It is not a de Polignac number, because 1009288379401 - 2²⁵ = 1009254824969 is a prime.

It is a super-2 number, since 2×1009288379401² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1009288379461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504644189700 + 504644189701.

It is an arithmetic number, because the mean of its divisors is an integer number (504644189701).

Almost surely, 2^{1009288379401} is an apocalyptic number.

It is an amenable number.

1009288379401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1009288379401 is an equidigital number, since it uses as much as digits as its factorization.

1009288379401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 52.

The spelling of 1009288379401 in words is "one trillion, nine billion, two hundred eighty-eight million, three hundred seventy-nine thousand, four hundred one".