3550703317961 has 2 divisors, whose sum is σ = 3550703317962. Its totient is φ = 3550703317960.

The previous prime is 3550703317957. The next prime is 3550703318027. The reversal of 3550703317961 is 1697133070553.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3550703317561 + 400 = 1884331^2 + 20^2 .

It is a cyclic number.

It is not a de Polignac number, because 3550703317961 - 2² = 3550703317957 is a prime.

It is not a weakly prime, because it can be changed into another prime (3550703317951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1775351658980 + 1775351658981.

It is an arithmetic number, because the mean of its divisors is an integer number (1775351658981).

Almost surely, 2^{3550703317961} is an apocalyptic number.

It is an amenable number.

3550703317961 is a deficient number, since it is larger than the sum of its proper divisors (1).

3550703317961 is an equidigital number, since it uses as much as digits as its factorization.

3550703317961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1786050, while the sum is 50.

The spelling of 3550703317961 in words is "three trillion, five hundred fifty billion, seven hundred three million, three hundred seventeen thousand, nine hundred sixty-one".