2765630401 has 4 divisors (see below), whose sum is σ = 2779669332. Its totient is φ = 2751591472.

The previous prime is 2765630389. The next prime is 2765630437. The reversal of 2765630401 is 1040365672.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2183132176 + 582498225 = 46724^2 + 24135^2 .

It is a cyclic number.

It is not a de Polignac number, because 2765630401 - 2¹⁷ = 2765499329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2765610401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7019170 + ... + 7019563.

It is an arithmetic number, because the mean of its divisors is an integer number (694917333).

Almost surely, 2^2765630401 is an apocalyptic number.

It is an amenable number.

2765630401 is a deficient number, since it is larger than the sum of its proper divisors (14038931).

2765630401 is a wasteful number, since it uses less digits than its factorization.

2765630401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14038930.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 2765630401 is about 52589.2612707195. The cubic root of 2765630401 is about 1403.6690157428.

The spelling of 2765630401 in words is "two billion, seven hundred sixty-five million, six hundred thirty thousand, four hundred one".