1430525011997 has 2 divisors, whose sum is σ = 1430525011998. Its totient is φ = 1430525011996.

The previous prime is 1430525011889. The next prime is 1430525012003. The reversal of 1430525011997 is 7991105250341.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1107979391236 + 322545620761 = 1052606^2 + 567931^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1430525011997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1430525011397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715262505998 + 715262505999.

It is an arithmetic number, because the mean of its divisors is an integer number (715262505999).

Almost surely, 2^{1430525011997} is an apocalyptic number.

It is an amenable number.

1430525011997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1430525011997 is an equidigital number, since it uses as much as digits as its factorization.

1430525011997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 340200, while the sum is 47.

The spelling of 1430525011997 in words is "one trillion, four hundred thirty billion, five hundred twenty-five million, eleven thousand, nine hundred ninety-seven".