6997554050761 has 4 divisors (see below), whose sum is σ = 7186677133252. Its totient is φ = 6808430968272.

The previous prime is 6997554050723. The next prime is 6997554050771. The reversal of 6997554050761 is 1670504557996.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6013559489536 + 983994561225 = 2452256^2 + 991965^2 .

It is a cyclic number.

It is not a de Polignac number, because 6997554050761 - 2¹⁷ = 6997553919689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6997554050693 and 6997554050702.

It is not an unprimeable number, because it can be changed into a prime (6997554050771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94561541190 + ... + 94561541263.

It is an arithmetic number, because the mean of its divisors is an integer number (1796669283313).

Almost surely, 2^{6997554050761} is an apocalyptic number.

It is an amenable number.

6997554050761 is a deficient number, since it is larger than the sum of its proper divisors (189123082491).

6997554050761 is a wasteful number, since it uses less digits than its factorization.

6997554050761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189123082490.

The product of its (nonzero) digits is 71442000, while the sum is 64.

The spelling of 6997554050761 in words is "six trillion, nine hundred ninety-seven billion, five hundred fifty-four million, fifty thousand, seven hundred sixty-one".