6721054634 has 32 divisors (see below), whose sum is σ = 11931718656. Its totient is φ = 2778572160.

The previous prime is 6721054621. The next prime is 6721054643. The reversal of 6721054634 is 4364501276.

It is a happy 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, 111104 + ... + 160580.

It is an arithmetic number, because the mean of its divisors is an integer number (372866208).

Almost surely, 2^6721054634 is an apocalyptic number.

6721054634 is a deficient number, since it is larger than the sum of its proper divisors (5210664022).

6721054634 is a wasteful number, since it uses less digits than its factorization.

6721054634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49830.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 6721054634 is about 81982.0384840484. The cubic root of 6721054634 is about 1887.1763060198.

The spelling of 6721054634 in words is "six billion, seven hundred twenty-one million, fifty-four thousand, six hundred thirty-four".