2902628649 has 4 divisors (see below), whose sum is σ = 3870171536. Its totient is φ = 1935085764.

The previous prime is 2902628623. The next prime is 2902628657. The reversal of 2902628649 is 9468262092.

It is a happy number.

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 not a de Polignac number, because 2902628649 - 2¹⁵ = 2902595881 is a prime.

It is a super-3 number, since 3×2902628649³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2902628598 and 2902628607.

It is not an unprimeable number, because it can be changed into a prime (2902628669) 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 3 ways as a sum of consecutive naturals, for example, 483771439 + ... + 483771444.

It is an arithmetic number, because the mean of its divisors is an integer number (967542884).

Almost surely, 2^2902628649 is an apocalyptic number.

It is an amenable number.

2902628649 is a deficient number, since it is larger than the sum of its proper divisors (967542887).

2902628649 is an equidigital number, since it uses as much as digits as its factorization.

2902628649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967542886.

The product of its (nonzero) digits is 746496, while the sum is 48.

The square root of 2902628649 is about 53876.0489364244. The cubic root of 2902628649 is about 1426.4738867812.

It can be divided in two parts, 29026 and 28649, that added together give a palindrome (57675).

The spelling of 2902628649 in words is "two billion, nine hundred two million, six hundred twenty-eight thousand, six hundred forty-nine".