2634780965 has 8 divisors (see below), whose sum is σ = 3162062880. Its totient is φ = 2107607632.

The previous prime is 2634780959. The next prime is 2634780979. The reversal of 2634780965 is 5690874362.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2634780965 - 2⁴ = 2634780949 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42482 + ... + 84108.

It is an arithmetic number, because the mean of its divisors is an integer number (395257860).

Almost surely, 2^2634780965 is an apocalyptic number.

It is an amenable number.

2634780965 is a deficient number, since it is larger than the sum of its proper divisors (527281915).

2634780965 is a wasteful number, since it uses less digits than its factorization.

2634780965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54291.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The square root of 2634780965 is about 51330.1175237306. The cubic root of 2634780965 is about 1381.1732941576.

The spelling of 2634780965 in words is "two billion, six hundred thirty-four million, seven hundred eighty thousand, nine hundred sixty-five".