7468956821 has 16 divisors (see below), whose sum is σ = 7872880128. Its totient is φ = 7076678400.

The previous prime is 7468956809. The next prime is 7468956841. The reversal of 7468956821 is 1286598647.

It is a happy number.

It is not a de Polignac number, because 7468956821 - 2²² = 7464762517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7468956841) 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, 297986 + ... + 322076.

It is an arithmetic number, because the mean of its divisors is an integer number (492055008).

Almost surely, 2^7468956821 is an apocalyptic number.

It is an amenable number.

7468956821 is a deficient number, since it is larger than the sum of its proper divisors (403923307).

7468956821 is a wasteful number, since it uses less digits than its factorization.

7468956821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24332.

The product of its digits is 5806080, while the sum is 56.

The square root of 7468956821 is about 86423.1266560057. The cubic root of 7468956821 is about 1954.7294206278.

The spelling of 7468956821 in words is "seven billion, four hundred sixty-eight million, nine hundred fifty-six thousand, eight hundred twenty-one".