679364656465 has 16 divisors (see below), whose sum is σ = 898518660480. Its totient is φ = 488989739520.

The previous prime is 679364656459. The next prime is 679364656471. The reversal of 679364656465 is 564656463976.

It is an interprime number because it is at equal distance from previous prime (679364656459) and next prime (679364656471).

It is not a de Polignac number, because 679364656465 - 2¹⁹ = 679364132177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 679364656465.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63665205 + ... + 63675874.

It is an arithmetic number, because the mean of its divisors is an integer number (56157416280).

Almost surely, 2^679364656465 is an apocalyptic number.

It is an amenable number.

679364656465 is a deficient number, since it is larger than the sum of its proper divisors (219154004015).

679364656465 is a wasteful number, since it uses less digits than its factorization.

679364656465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127341192.

The product of its digits is 587865600, while the sum is 67.

The spelling of 679364656465 in words is "six hundred seventy-nine billion, three hundred sixty-four million, six hundred fifty-six thousand, four hundred sixty-five".