1407393488969 has 4 divisors (see below), whose sum is σ = 1515654526596. Its totient is φ = 1299132451344.

The previous prime is 1407393488881. The next prime is 1407393488989. The reversal of 1407393488969 is 9698843937041.

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

It can be written as a sum of positive squares in 2 ways, for example, as 947828809225 + 459564679744 = 973565^2 + 677912^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1407393488969 is a prime.

It is a super-2 number, since 2×1407393488969² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1407393488989) 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, 54130518794 + ... + 54130518819.

It is an arithmetic number, because the mean of its divisors is an integer number (378913631649).

Almost surely, 2^{1407393488969} is an apocalyptic number.

It is an amenable number.

1407393488969 is a deficient number, since it is larger than the sum of its proper divisors (108261037627).

1407393488969 is a wasteful number, since it uses less digits than its factorization.

1407393488969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108261037626.

The product of its (nonzero) digits is 282175488, while the sum is 71.

The spelling of 1407393488969 in words is "one trillion, four hundred seven billion, three hundred ninety-three million, four hundred eighty-eight thousand, nine hundred sixty-nine".