2153154410989 has 2 divisors, whose sum is σ = 2153154410990. Its totient is φ = 2153154410988.

The previous prime is 2153154410959. The next prime is 2153154411017. The reversal of 2153154410989 is 9890144513512.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2152919402089 + 235008900 = 1467283^2 + 15330^2 .

It is a cyclic number.

It is not a de Polignac number, because 2153154410989 - 2¹¹ = 2153154408941 is a prime.

It is a super-2 number, since 2×2153154410989² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2153154410959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076577205494 + 1076577205495.

It is an arithmetic number, because the mean of its divisors is an integer number (1076577205495).

Almost surely, 2^{2153154410989} is an apocalyptic number.

It is an amenable number.

2153154410989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2153154410989 is an equidigital number, since it uses as much as digits as its factorization.

2153154410989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1555200, while the sum is 52.

The spelling of 2153154410989 in words is "two trillion, one hundred fifty-three billion, one hundred fifty-four million, four hundred ten thousand, nine hundred eighty-nine".