6951789051456 has 56 divisors (see below), whose sum is σ = 18393534850144. Its totient is φ = 2317230305280.

The previous prime is 6951789051451. The next prime is 6951789051499. The reversal of 6951789051456 is 6541509871596.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6951789051451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16099431 + ... + 16525593.

Almost surely, 2^{6951789051456} is an apocalyptic number.

It is an amenable number.

6951789051456 is an abundant number, since it is smaller than the sum of its proper divisors (11441745798688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6951789051456 is a wasteful number, since it uses less digits than its factorization.

6951789051456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511139 (or 511129 counting only the distinct ones).

The product of its (nonzero) digits is 81648000, while the sum is 66.

The spelling of 6951789051456 in words is "six trillion, nine hundred fifty-one billion, seven hundred eighty-nine million, fifty-one thousand, four hundred fifty-six".