1401753599989 has 8 divisors (see below), whose sum is σ = 1484230692888. Its totient is φ = 1319278840320.

The previous prime is 1401753599951. The next prime is 1401753600029. The reversal of 1401753599989 is 9899953571041.

It can be written as a sum of positive squares in 4 ways, for example, as 35094402225 + 1366659197764 = 187335^2 + 1169042^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1401753599989 - 2³¹ = 1399606116341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401753599929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 739299 + ... + 1830319.

It is an arithmetic number, because the mean of its divisors is an integer number (185528836611).

Almost surely, 2^{1401753599989} is an apocalyptic number.

It is an amenable number.

1401753599989 is a deficient number, since it is larger than the sum of its proper divisors (82477092899).

1401753599989 is a wasteful number, since it uses less digits than its factorization.

1401753599989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166615.

The product of its (nonzero) digits is 110224800, while the sum is 70.

The spelling of 1401753599989 in words is "one trillion, four hundred one billion, seven hundred fifty-three million, five hundred ninety-nine thousand, nine hundred eighty-nine".