7354017661 has 2 divisors, whose sum is σ = 7354017662. Its totient is φ = 7354017660.

The previous prime is 7354017613. The next prime is 7354017679. The reversal of 7354017661 is 1667104537.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6261715161 + 1092302500 = 79131^2 + 33050^2 .

It is a cyclic number.

It is not a de Polignac number, because 7354017661 - 2⁷ = 7354017533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7354017611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3677008830 + 3677008831.

It is an arithmetic number, because the mean of its divisors is an integer number (3677008831).

Almost surely, 2^7354017661 is an apocalyptic number.

It is an amenable number.

7354017661 is a deficient number, since it is larger than the sum of its proper divisors (1).

7354017661 is an equidigital number, since it uses as much as digits as its factorization.

7354017661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 7354017661 is about 85755.5692710392. The cubic root of 7354017661 is about 1944.6504845754.

The spelling of 7354017661 in words is "seven billion, three hundred fifty-four million, seventeen thousand, six hundred sixty-one".