1439719142401 has 16 divisors (see below), whose sum is σ = 1534000986000. Its totient is φ = 1348628375808.

The previous prime is 1439719142383. The next prime is 1439719142429. The reversal of 1439719142401 is 1042419179341.

It can be written as a sum of positive squares in 8 ways, for example, as 195209330625 + 1244509811776 = 441825^2 + 1115576^2 .

It is not a de Polignac number, because 1439719142401 - 2¹⁹ = 1439718618113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1439719142431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1547830 + ... + 2296783.

It is an arithmetic number, because the mean of its divisors is an integer number (95875061625).

Almost surely, 2^{1439719142401} is an apocalyptic number.

It is an amenable number.

1439719142401 is a deficient number, since it is larger than the sum of its proper divisors (94281843599).

1439719142401 is a wasteful number, since it uses less digits than its factorization.

1439719142401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3845028.

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 1439719142401 in words is "one trillion, four hundred thirty-nine billion, seven hundred nineteen million, one hundred forty-two thousand, four hundred one".