34780655651 has 12 divisors (see below), whose sum is σ = 41400042552. Its totient is φ = 29118686688.

The previous prime is 34780655641. The next prime is 34780655659. The reversal of 34780655651 is 15655608743.

It is not a de Polignac number, because 34780655651 - 2¹⁰ = 34780654627 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34780655651.

It is not an unprimeable number, because it can be changed into a prime (34780655659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8251490 + ... + 8255703.

It is an arithmetic number, because the mean of its divisors is an integer number (3450003546).

Almost surely, 2^34780655651 is an apocalyptic number.

34780655651 is a deficient number, since it is larger than the sum of its proper divisors (6619386901).

34780655651 is a wasteful number, since it uses less digits than its factorization.

34780655651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16507250 (or 16507243 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 50.

The spelling of 34780655651 in words is "thirty-four billion, seven hundred eighty million, six hundred fifty-five thousand, six hundred fifty-one".