1004370677621 has 2 divisors, whose sum is σ = 1004370677622. Its totient is φ = 1004370677620.

The previous prime is 1004370677587. The next prime is 1004370677719. The reversal of 1004370677621 is 1267760734001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 597181200625 + 407189476996 = 772775^2 + 638114^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1004370677621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1004379677621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502185338810 + 502185338811.

It is an arithmetic number, because the mean of its divisors is an integer number (502185338811).

Almost surely, 2^{1004370677621} is an apocalyptic number.

It is an amenable number.

1004370677621 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004370677621 is an equidigital number, since it uses as much as digits as its factorization.

1004370677621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 296352, while the sum is 44.

The spelling of 1004370677621 in words is "one trillion, four billion, three hundred seventy million, six hundred seventy-seven thousand, six hundred twenty-one".