1473624100661 has 2 divisors, whose sum is σ = 1473624100662. Its totient is φ = 1473624100660.

The previous prime is 1473624100649. The next prime is 1473624100681. The reversal of 1473624100661 is 1660014263741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 901227448900 + 572396651761 = 949330^2 + 756569^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1473624100661 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 (1473624100621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 736812050330 + 736812050331.

It is an arithmetic number, because the mean of its divisors is an integer number (736812050331).

Almost surely, 2^{1473624100661} is an apocalyptic number.

It is an amenable number.

1473624100661 is a deficient number, since it is larger than the sum of its proper divisors (1).

1473624100661 is an equidigital number, since it uses as much as digits as its factorization.

1473624100661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 1473624100661 in words is "one trillion, four hundred seventy-three billion, six hundred twenty-four million, one hundred thousand, six hundred sixty-one".