4276787649 has 4 divisors (see below), whose sum is σ = 5702383536. Its totient is φ = 2851191764.

The previous prime is 4276787633. The next prime is 4276787659. The reversal of 4276787649 is 9467876724.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4276787649 - 2⁴ = 4276787633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4276787592 and 4276787601.

It is not an unprimeable number, because it can be changed into a prime (4276787659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 712797939 + ... + 712797944.

It is an arithmetic number, because the mean of its divisors is an integer number (1425595884).

Almost surely, 2^4276787649 is an apocalyptic number.

It is an amenable number.

4276787649 is a deficient number, since it is larger than the sum of its proper divisors (1425595887).

4276787649 is a wasteful number, since it uses less digits than its factorization.

4276787649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425595886.

The product of its digits is 28449792, while the sum is 60.

The square root of 4276787649 is about 65397.1532178580. The cubic root of 4276787649 is about 1623.2019748421.

The spelling of 4276787649 in words is "four billion, two hundred seventy-six million, seven hundred eighty-seven thousand, six hundred forty-nine".