1207423695709 has 48 divisors (see below), whose sum is σ = 1649390770944. Its totient is φ = 861572574720.

The previous prime is 1207423695707. The next prime is 1207423695739. The reversal of 1207423695709 is 9075963247021.

It is not a de Polignac number, because 1207423695709 - 2¹ = 1207423695707 is a prime.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1207423695709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1207423695701) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 600409 + ... + 1665934.

It is an arithmetic number, because the mean of its divisors is an integer number (34362307728).

Almost surely, 2^{1207423695709} is an apocalyptic number.

It is an amenable number.

1207423695709 is a deficient number, since it is larger than the sum of its proper divisors (441967075235).

1207423695709 is a wasteful number, since it uses less digits than its factorization.

1207423695709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266426 (or 2266415 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 55.

The spelling of 1207423695709 in words is "one trillion, two hundred seven billion, four hundred twenty-three million, six hundred ninety-five thousand, seven hundred nine".