6961903901 has 2 divisors, whose sum is σ = 6961903902. Its totient is φ = 6961903900.

The previous prime is 6961903877. The next prime is 6961903933. The reversal of 6961903901 is 1093091696.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5550399001 + 1411504900 = 74501^2 + 37570^2 .

It is a cyclic number.

It is not a de Polignac number, because 6961903901 - 2¹⁰ = 6961902877 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6961903001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3480951950 + 3480951951.

It is an arithmetic number, because the mean of its divisors is an integer number (3480951951).

Almost surely, 2^6961903901 is an apocalyptic number.

6961903901 is the 44600-th centered heptagonal number.

It is an amenable number.

6961903901 is a deficient number, since it is larger than the sum of its proper divisors (1).

6961903901 is an equidigital number, since it uses as much as digits as its factorization.

6961903901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78732, while the sum is 44.

The square root of 6961903901 is about 83438.0243114613. The cubic root of 6961903901 is about 1909.4546199240.

The spelling of 6961903901 in words is "six billion, nine hundred sixty-one million, nine hundred three thousand, nine hundred one".