14635621799 has 2 divisors, whose sum is σ = 14635621800. Its totient is φ = 14635621798.

The previous prime is 14635621787. The next prime is 14635621807. The reversal of 14635621799 is 99712653641.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14635621799 - 2⁴ = 14635621783 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14635621799.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14635621709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7317810899 + 7317810900.

It is an arithmetic number, because the mean of its divisors is an integer number (7317810900).

Almost surely, 2^14635621799 is an apocalyptic number.

14635621799 is a deficient number, since it is larger than the sum of its proper divisors (1).

14635621799 is an equidigital number, since it uses as much as digits as its factorization.

14635621799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2449440, while the sum is 53.

The spelling of 14635621799 in words is "fourteen billion, six hundred thirty-five million, six hundred twenty-one thousand, seven hundred ninety-nine".