1399999999997 has 4 divisors (see below), whose sum is σ = 1401203784480. Its totient is φ = 1398796215516.

The previous prime is 1399999999949. The next prime is 1400000000023. The reversal of 1399999999997 is 7999999999931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1399999999997 - 2⁶ = 1399999999933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1399999999897 and 1399999999906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1399999999297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 601890497 + ... + 601892822.

It is an arithmetic number, because the mean of its divisors is an integer number (350300946120).

Almost surely, 2^{1399999999997} is an apocalyptic number.

It is an amenable number.

1399999999997 is a deficient number, since it is larger than the sum of its proper divisors (1203784483).

1399999999997 is a wasteful number, since it uses less digits than its factorization.

1399999999997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203784482.

The product of its digits is 73222472421, while the sum is 101.

The spelling of 1399999999997 in words is "one trillion, three hundred ninety-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-seven".