6451960685041 has 3 divisors (see below), whose sum is σ = 6451963225113. Its totient is φ = 6451958144970.

The previous prime is 6451960685003. The next prime is 6451960685047. The reversal of 6451960685041 is 1405860691546.

The square root of 6451960685041 is 2540071.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 6451960685041 - 2³¹ = 6449813201393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6451960685047) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1270036 + ... + 3810106.

It is an arithmetic number, because the mean of its divisors is an integer number (2150654408371).

Almost surely, 2^{6451960685041} is an apocalyptic number.

6451960685041 is the 2540071-st square number.

6451960685041 is the 1270036-th centered octagonal number.

It is an amenable number.

6451960685041 is a deficient number, since it is larger than the sum of its proper divisors (2540072).

6451960685041 is an frugal number, since it uses more digits than its factorization.

6451960685041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5080142 (or 2540071 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 55.

The spelling of 6451960685041 in words is "six trillion, four hundred fifty-one billion, nine hundred sixty million, six hundred eighty-five thousand, forty-one".