366725621947 has 2 divisors, whose sum is σ = 366725621948. Its totient is φ = 366725621946.

The previous prime is 366725621881. The next prime is 366725621981. The reversal of 366725621947 is 749126527663.

It is a strong prime.

It is an emirp because it is prime and its reverse (749126527663) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 366725621947 - 2¹⁹ = 366725097659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 366725621891 and 366725621900.

It is not a weakly prime, because it can be changed into another prime (366725631947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 183362810973 + 183362810974.

It is an arithmetic number, because the mean of its divisors is an integer number (183362810974).

Almost surely, 2^366725621947 is an apocalyptic number.

366725621947 is a deficient number, since it is larger than the sum of its proper divisors (1).

366725621947 is an equidigital number, since it uses as much as digits as its factorization.

366725621947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22861440, while the sum is 58.

The spelling of 366725621947 in words is "three hundred sixty-six billion, seven hundred twenty-five million, six hundred twenty-one thousand, nine hundred forty-seven".