1439362974398 has 4 divisors (see below), whose sum is σ = 2159044461600. Its totient is φ = 719681487198.

The previous prime is 1439362974397. The next prime is 1439362974419. The reversal of 1439362974398 is 8934792639341.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1439362974397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 359840743598 + ... + 359840743601.

It is an arithmetic number, because the mean of its divisors is an integer number (539761115400).

Almost surely, 2^{1439362974398} is an apocalyptic number.

1439362974398 is a deficient number, since it is larger than the sum of its proper divisors (719681487202).

1439362974398 is an equidigital number, since it uses as much as digits as its factorization.

1439362974398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719681487201.

The product of its digits is 211631616, while the sum is 68.

The spelling of 1439362974398 in words is "one trillion, four hundred thirty-nine billion, three hundred sixty-two million, nine hundred seventy-four thousand, three hundred ninety-eight".