2934720645 has 16 divisors (see below), whose sum is σ = 4699898880. Its totient is φ = 1563735744.

The previous prime is 2934720637. The next prime is 2934720653. The reversal of 2934720645 is 5460274392.

It is an interprime number because it is at equal distance from previous prime (2934720637) and next prime (2934720653).

It is not a de Polignac number, because 2934720645 - 2³ = 2934720637 is a prime.

It is a super-2 number, since 2×2934720645² = 17225170528378432050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2934720597 and 2934720606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73690 + ... + 106299.

It is an arithmetic number, because the mean of its divisors is an integer number (293743680).

Almost surely, 2^2934720645 is an apocalyptic number.

It is an amenable number.

2934720645 is a deficient number, since it is larger than the sum of its proper divisors (1765178235).

2934720645 is a wasteful number, since it uses less digits than its factorization.

2934720645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181084.

The product of its (nonzero) digits is 362880, while the sum is 42.

The square root of 2934720645 is about 54173.0619865630. The cubic root of 2934720645 is about 1431.7117495417.

The spelling of 2934720645 in words is "two billion, nine hundred thirty-four million, seven hundred twenty thousand, six hundred forty-five".