1038952421951 has 2 divisors, whose sum is σ = 1038952421952. Its totient is φ = 1038952421950.

The previous prime is 1038952421891. The next prime is 1038952421963. The reversal of 1038952421951 is 1591242598301.

It is a strong prime.

It is an emirp because it is prime and its reverse (1591242598301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1038952421951 - 2⁶ = 1038952421887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1038952421951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1038952421981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 519476210975 + 519476210976.

It is an arithmetic number, because the mean of its divisors is an integer number (519476210976).

Almost surely, 2^{1038952421951} is an apocalyptic number.

1038952421951 is a deficient number, since it is larger than the sum of its proper divisors (1).

1038952421951 is an equidigital number, since it uses as much as digits as its factorization.

1038952421951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 777600, while the sum is 50.

The spelling of 1038952421951 in words is "one trillion, thirty-eight billion, nine hundred fifty-two million, four hundred twenty-one thousand, nine hundred fifty-one".