6961555253293 has 2 divisors, whose sum is σ = 6961555253294. Its totient is φ = 6961555253292.

The previous prime is 6961555253251. The next prime is 6961555253321. The reversal of 6961555253293 is 3923525551696.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3921738594244 + 3039816659049 = 1980338^2 + 1743507^2 .

It is a cyclic number.

It is not a de Polignac number, because 6961555253293 - 2²⁵ = 6961521698861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6961555253203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3480777626646 + 3480777626647.

It is an arithmetic number, because the mean of its divisors is an integer number (3480777626647).

Almost surely, 2^{6961555253293} is an apocalyptic number.

It is an amenable number.

6961555253293 is a deficient number, since it is larger than the sum of its proper divisors (1).

6961555253293 is an equidigital number, since it uses as much as digits as its factorization.

6961555253293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 65610000, while the sum is 61.

The spelling of 6961555253293 in words is "six trillion, nine hundred sixty-one billion, five hundred fifty-five million, two hundred fifty-three thousand, two hundred ninety-three".