1014355401989 has 2 divisors, whose sum is σ = 1014355401990. Its totient is φ = 1014355401988.

The previous prime is 1014355401953. The next prime is 1014355402033. The reversal of 1014355401989 is 9891045534101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 673684733089 + 340670668900 = 820783^2 + 583670^2 .

It is a cyclic number.

It is not a de Polignac number, because 1014355401989 - 2¹² = 1014355397893 is a prime.

It is a super-2 number, since 2×1014355401989² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1014355401589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507177700994 + 507177700995.

It is an arithmetic number, because the mean of its divisors is an integer number (507177700995).

Almost surely, 2^{1014355401989} is an apocalyptic number.

It is an amenable number.

1014355401989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1014355401989 is an equidigital number, since it uses as much as digits as its factorization.

1014355401989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 777600, while the sum is 50.

The spelling of 1014355401989 in words is "one trillion, fourteen billion, three hundred fifty-five million, four hundred one thousand, nine hundred eighty-nine".