6214919649 has 16 divisors (see below), whose sum is σ = 8616322560. Its totient is φ = 3980350080.

The previous prime is 6214919597. The next prime is 6214919663. The reversal of 6214919649 is 9469194126.

It is not a de Polignac number, because 6214919649 - 2¹¹ = 6214917601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6214919699) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231154 + ... + 256635.

It is an arithmetic number, because the mean of its divisors is an integer number (538520160).

Almost surely, 2^6214919649 is an apocalyptic number.

It is an amenable number.

6214919649 is a deficient number, since it is larger than the sum of its proper divisors (2401402911).

6214919649 is a wasteful number, since it uses less digits than its factorization.

6214919649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487960.

The product of its digits is 839808, while the sum is 51.

The square root of 6214919649 is about 78834.7616790969. The cubic root of 6214919649 is about 1838.5629580846.

The spelling of 6214919649 in words is "six billion, two hundred fourteen million, nine hundred nineteen thousand, six hundred forty-nine".