1004154510649 has 2 divisors, whose sum is σ = 1004154510650. Its totient is φ = 1004154510648.

The previous prime is 1004154510637. The next prime is 1004154510679. The reversal of 1004154510649 is 9460154514001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 630213699600 + 373940811049 = 793860^2 + 611507^2 .

It is an emirp because it is prime and its reverse (9460154514001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1004154510649 - 2²³ = 1004146122041 is a prime.

It is not a weakly prime, because it can be changed into another prime (1004154510679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502077255324 + 502077255325.

It is an arithmetic number, because the mean of its divisors is an integer number (502077255325).

Almost surely, 2^{1004154510649} is an apocalyptic number.

It is an amenable number.

1004154510649 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004154510649 is an equidigital number, since it uses as much as digits as its factorization.

1004154510649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 1004154510649 in words is "one trillion, four billion, one hundred fifty-four million, five hundred ten thousand, six hundred forty-nine".