1004026401457 has 2 divisors, whose sum is σ = 1004026401458. Its totient is φ = 1004026401456.

The previous prime is 1004026401407. The next prime is 1004026401461. The reversal of 1004026401457 is 7541046204001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 980117820081 + 23908581376 = 990009^2 + 154624^2 .

It is a cyclic number.

It is not a de Polignac number, because 1004026401457 - 2³⁹ = 454270587569 is a prime.

It is not a weakly prime, because it can be changed into another prime (1004026401407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502013200728 + 502013200729.

It is an arithmetic number, because the mean of its divisors is an integer number (502013200729).

Almost surely, 2^{1004026401457} is an apocalyptic number.

It is an amenable number.

1004026401457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004026401457 is an equidigital number, since it uses as much as digits as its factorization.

1004026401457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 34.

The spelling of 1004026401457 in words is "one trillion, four billion, twenty-six million, four hundred one thousand, four hundred fifty-seven".