11746007621 has 2 divisors, whose sum is σ = 11746007622. Its totient is φ = 11746007620.

The previous prime is 11746007587. The next prime is 11746007657. The reversal of 11746007621 is 12670064711.

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., 11457347521 + 288660100 = 107039^2 + 16990^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11746007621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11746007671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5873003810 + 5873003811.

It is an arithmetic number, because the mean of its divisors is an integer number (5873003811).

Almost surely, 2^11746007621 is an apocalyptic number.

It is an amenable number.

11746007621 is a deficient number, since it is larger than the sum of its proper divisors (1).

11746007621 is an equidigital number, since it uses as much as digits as its factorization.

11746007621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 35.

The spelling of 11746007621 in words is "eleven billion, seven hundred forty-six million, seven thousand, six hundred twenty-one".