1002153420691 has 2 divisors, whose sum is σ = 1002153420692. Its totient is φ = 1002153420690.

The previous prime is 1002153420659. The next prime is 1002153420721. The reversal of 1002153420691 is 1960243512001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1002153420691 - 2⁵ = 1002153420659 is a prime.

It is a super-2 number, since 2×1002153420691² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1002153420601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501076710345 + 501076710346.

It is an arithmetic number, because the mean of its divisors is an integer number (501076710346).

Almost surely, 2^{1002153420691} is an apocalyptic number.

1002153420691 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002153420691 is an equidigital number, since it uses as much as digits as its factorization.

1002153420691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 34.

Adding to 1002153420691 its reverse (1960243512001), we get a palindrome (2962396932692).

The spelling of 1002153420691 in words is "one trillion, two billion, one hundred fifty-three million, four hundred twenty thousand, six hundred ninety-one".