8154354437 has 2 divisors, whose sum is σ = 8154354438. Its totient is φ = 8154354436.

The previous prime is 8154354353. The next prime is 8154354457. The reversal of 8154354437 is 7344534518.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8009176036 + 145178401 = 89494^2 + 12049^2 .

It is a cyclic number.

It is not a de Polignac number, because 8154354437 - 2²⁰ = 8153305861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8154354457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4077177218 + 4077177219.

It is an arithmetic number, because the mean of its divisors is an integer number (4077177219).

Almost surely, 2^8154354437 is an apocalyptic number.

It is an amenable number.

8154354437 is a deficient number, since it is larger than the sum of its proper divisors (1).

8154354437 is an equidigital number, since it uses as much as digits as its factorization.

8154354437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 806400, while the sum is 44.

The square root of 8154354437 is about 90301.4642018611. The cubic root of 8154354437 is about 2012.7810185461.

The spelling of 8154354437 in words is "eight billion, one hundred fifty-four million, three hundred fifty-four thousand, four hundred thirty-seven".