6961442974345 has 8 divisors (see below), whose sum is σ = 8402019035976. Its totient is φ = 5536962734976.

The previous prime is 6961442974307. The next prime is 6961442974349. The reversal of 6961442974345 is 5434792441696.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3836948368969 + 3124494605376 = 1958813^2 + 1767624^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 6961442974345 - 2⁷ = 6961442974217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6961442974349) 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, 4023954612 + ... + 4023956341.

It is an arithmetic number, because the mean of its divisors is an integer number (1050252379497).

Almost surely, 2^{6961442974345} is an apocalyptic number.

It is an amenable number.

6961442974345 is a deficient number, since it is larger than the sum of its proper divisors (1440576061631).

6961442974345 is a wasteful number, since it uses less digits than its factorization.

6961442974345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8047911131.

The product of its digits is 156764160, while the sum is 64.

The spelling of 6961442974345 in words is "six trillion, nine hundred sixty-one billion, four hundred forty-two million, nine hundred seventy-four thousand, three hundred forty-five".