6921861460754 has 8 divisors (see below), whose sum is σ = 10384286784048. Its totient is φ = 3460432532740.

The previous prime is 6921861460729. The next prime is 6921861460781. The reversal of 6921861460754 is 4570641681296.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 6921861460693 and 6921861460702.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249081452 + ... + 249109239.

It is an arithmetic number, because the mean of its divisors is an integer number (1298035848006).

Almost surely, 2^{6921861460754} is an apocalyptic number.

6921861460754 is a deficient number, since it is larger than the sum of its proper divisors (3462425323294).

6921861460754 is a wasteful number, since it uses less digits than its factorization.

6921861460754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498197640.

The product of its (nonzero) digits is 17418240, while the sum is 59.

The spelling of 6921861460754 in words is "six trillion, nine hundred twenty-one billion, eight hundred sixty-one million, four hundred sixty thousand, seven hundred fifty-four".