9621124531199 has 2 divisors, whose sum is σ = 9621124531200. Its totient is φ = 9621124531198.

The previous prime is 9621124531169. The next prime is 9621124531211. The reversal of 9621124531199 is 9911354211269.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9621124531199 - 2³⁶ = 9552405054463 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9621124531199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9621124531159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4810562265599 + 4810562265600.

It is an arithmetic number, because the mean of its divisors is an integer number (4810562265600).

Almost surely, 2^{9621124531199} is an apocalyptic number.

9621124531199 is a deficient number, since it is larger than the sum of its proper divisors (1).

9621124531199 is an equidigital number, since it uses as much as digits as its factorization.

9621124531199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1049760, while the sum is 53.

The spelling of 9621124531199 in words is "nine trillion, six hundred twenty-one billion, one hundred twenty-four million, five hundred thirty-one thousand, one hundred ninety-nine".