39970492459 has 4 divisors (see below), whose sum is σ = 40106910816. Its totient is φ = 39834074104.

The previous prime is 39970492439. The next prime is 39970492469. The reversal of 39970492459 is 95429407993.

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

It is a cyclic number.

It is not a de Polignac number, because 39970492459 - 2¹¹ = 39970490411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39970492397 and 39970492406.

It is not an unprimeable number, because it can be changed into a prime (39970492439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68208739 + ... + 68209324.

It is an arithmetic number, because the mean of its divisors is an integer number (10026727704).

Almost surely, 2^39970492459 is an apocalyptic number.

39970492459 is a deficient number, since it is larger than the sum of its proper divisors (136418357).

39970492459 is a wasteful number, since it uses less digits than its factorization.

39970492459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136418356.

The product of its (nonzero) digits is 22044960, while the sum is 61.

The spelling of 39970492459 in words is "thirty-nine billion, nine hundred seventy million, four hundred ninety-two thousand, four hundred fifty-nine".